22504902 has 32 divisors (see below), whose sum is σ = 53678592. Its totient is φ = 6150144.

The previous prime is 22504897. The next prime is 22504907. The reversal of 22504902 is 20940522.

It is an interprime number because it is at equal distance from previous prime (22504897) and next prime (22504907).

It is a super-2 number, since 2×22504902² = 1012941228059208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10683 + ... + 12614.

It is an arithmetic number, because the mean of its divisors is an integer number (1677456).

Almost surely, 2^22504902 is an apocalyptic number.

22504902 is an abundant number, since it is smaller than the sum of its proper divisors (31173690).

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

22504902 is a wasteful number, since it uses less digits than its factorization.

22504902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23332.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22504902 is about 4743.9331782815. The cubic root of 22504902 is about 282.3313092139.

The spelling of 22504902 in words is "twenty-two million, five hundred four thousand, nine hundred two".