822220648 has 16 divisors (see below), whose sum is σ = 1542228480. Its totient is φ = 410959728.

The previous prime is 822220627. The next prime is 822220667. The reversal of 822220648 is 846022228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6361 + ... + 41047.

It is an arithmetic number, because the mean of its divisors is an integer number (96389280).

Almost surely, 2^822220648 is an apocalyptic number.

It is an amenable number.

822220648 is a deficient number, since it is larger than the sum of its proper divisors (720007832).

822220648 is a wasteful number, since it uses less digits than its factorization.

822220648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37656 (or 37652 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 822220648 is about 28674.3901068532. The cubic root of 822220648 is about 936.8343213501.

The spelling of 822220648 in words is "eight hundred twenty-two million, two hundred twenty thousand, six hundred forty-eight".