22790904 has 16 divisors (see below), whose sum is σ = 56977320. Its totient is φ = 7596960.

The previous prime is 22790879. The next prime is 22790917. The reversal of 22790904 is 40909722.

It is a congruent number.

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, 474787 + ... + 474834.

Almost surely, 2^22790904 is an apocalyptic number.

22790904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22790904 is an abundant number, since it is smaller than the sum of its proper divisors (34186416).

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

22790904 is a wasteful number, since it uses less digits than its factorization.

22790904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949630 (or 949626 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 22790904 is about 4773.9819857222. The cubic root of 22790904 is about 283.5222742842.

The spelling of 22790904 in words is "twenty-two million, seven hundred ninety thousand, nine hundred four".