(CNN) When Charles Calvin went to the ATM last Saturday, he was just going to take out some money for his rent.

The New Chicago, Indiana, volunteer firefighter had received an alert on his phone that $1,700 had been direct deposited into his account as part of the federal stimulus package.

The 45-year-old inserted his MetaBank card in the ATM and made a withdrawal for the maximum amount of $200. When he pulled out the receipt, he saw his account balance had a number with a lot of zeros behind it.

Available balance: $8,200,000.00

"What in the world is going on, man? That doesn't seem right," Calvin told CNN.

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