22890924 has 60 divisors (see below), whose sum is σ = 68396944. Its totient is φ = 6539616.

The previous prime is 22890913. The next prime is 22890971. The reversal of 22890924 is 42909822.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2779 + ... + 7314.

Almost surely, 2^22890924 is an apocalyptic number.

It is an amenable number.

22890924 is an abundant number, since it is smaller than the sum of its proper divisors (45506020).

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

22890924 is a wasteful number, since it uses less digits than its factorization.

22890924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116 (or 10105 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 22890924 is about 4784.4460494398. The cubic root of 22890924 is about 283.9364236449.

The spelling of 22890924 in words is "twenty-two million, eight hundred ninety thousand, nine hundred twenty-four".