22799812 has 12 divisors (see below), whose sum is σ = 45599680. Its totient is φ = 9771336.

The previous prime is 22799801. The next prime is 22799863. The reversal of 22799812 is 21899722.

22799812 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407112 + ... + 407167.

Almost surely, 2^22799812 is an apocalyptic number.

It is an amenable number.

22799812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22799812 is a wasteful number, since it uses less digits than its factorization.

22799812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814290 (or 814288 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 22799812 is about 4774.9148683511. The cubic root of 22799812 is about 283.5592084260.

The spelling of 22799812 in words is "twenty-two million, seven hundred ninety-nine thousand, eight hundred twelve".