22538450 has 48 divisors (see below), whose sum is σ = 46845216. Its totient is φ = 7996800.

The previous prime is 22538443. The next prime is 22538471. The reversal of 22538450 is 5483522.

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, 23174 + ... + 24126.

It is an arithmetic number, because the mean of its divisors is an integer number (975942).

Almost surely, 2^22538450 is an apocalyptic number.

22538450 is an abundant number, since it is smaller than the sum of its proper divisors (24306766).

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

22538450 is a wasteful number, since it uses less digits than its factorization.

22538450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 22538450 is about 4747.4677460726. The cubic root of 22538450 is about 282.4715297489.

The spelling of 22538450 in words is "twenty-two million, five hundred thirty-eight thousand, four hundred fifty".