22904790 has 16 divisors (see below), whose sum is σ = 54971568. Its totient is φ = 6107936.

The previous prime is 22904779. The next prime is 22904807. The reversal of 22904790 is 9740922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381717 + ... + 381776.

It is an arithmetic number, because the mean of its divisors is an integer number (3435723).

Almost surely, 2^22904790 is an apocalyptic number.

22904790 is an abundant number, since it is smaller than the sum of its proper divisors (32066778).

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

22904790 is a wasteful number, since it uses less digits than its factorization.

22904790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763503.

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

The square root of 22904790 is about 4785.8949006429. The cubic root of 22904790 is about 283.9937428364.

The spelling of 22904790 in words is "twenty-two million, nine hundred four thousand, seven hundred ninety".