22502504 has 8 divisors (see below), whose sum is σ = 42192210. Its totient is φ = 11251248.

The previous prime is 22502489. The next prime is 22502531. The reversal of 22502504 is 40520522.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 10956100 = 3398^2 + 3310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1406399 + ... + 1406414.

Almost surely, 2^22502504 is an apocalyptic number.

It is an amenable number.

22502504 is a deficient number, since it is larger than the sum of its proper divisors (19689706).

22502504 is a wasteful number, since it uses less digits than its factorization.

22502504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812819 (or 2812815 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 22502504 is about 4743.6804276848. The cubic root of 22502504 is about 282.3212809612.

The spelling of 22502504 in words is "twenty-two million, five hundred two thousand, five hundred four".