22790790 has 48 divisors (see below), whose sum is σ = 64645776. Its totient is φ = 5524800.

The previous prime is 22790783. The next prime is 22790813. The reversal of 22790790 is 9709722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10521 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (1346787).

Almost surely, 2^22790790 is an apocalyptic number.

22790790 is an abundant number, since it is smaller than the sum of its proper divisors (41854986).

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

22790790 is a wasteful number, since it uses less digits than its factorization.

22790790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23045 (or 23042 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 22790790 is about 4773.9700459890. The cubic root of 22790790 is about 283.5218015577.

The spelling of 22790790 in words is "twenty-two million, seven hundred ninety thousand, seven hundred ninety".