President TrumpDonald John TrumpTrump: Dems playing destructive 'con game' with Kavanaugh Several Yale Law classmates who backed Kavanaugh call for misconduct investigation Freedom Caucus calls on Rosenstein to testify or resign MORE on Friday mocked the 14-day jail sentence handed to former campaign adviser George PapadopoulosGeorge Demetrios PapadopoulosFlynn sentencing move spurs questions about duration of Mueller probe Time for sunshine on Trump-Russia investigation Trump to declassify controversial text messages, documents related to Russia probe MORE

"14 days for $28 MILLION - $2 MILLION a day, No Collusion," Trump tweeted shortly after the sentence was announced. "A great day for America!"

It is unclear what Trump is referring to in regards to the $28 million figure. CNN noted that it appeared to be a reference to the cost of special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE's probe into Russia's election interference. 

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However, the news network reported that Mueller's investigation has only spent about $7.7 million, citing government estimates. CNN reported the Justice Department has spent at least $17 million investigating Russian meddling into the 2016 elections.

"I don't know Papadopoulos. I don't know him," Trump said to reporters after the sentencing, according to CNN. "I saw him sitting in one picture at a table with me. That's the only thing I know about him. I don't know him. But they got him, I guess, on a couple of lies, I guess that's what they're saying."

Papadopoulos on Friday became the first Trump adviser to be sentenced to a jail sentence from Mueller's probe. His sentencing comes almost a year after he pleaded guilty to lying to the FBI about his contacts with Russian operatives before the 2016 election.