22534900 has 18 divisors (see below), whose sum is σ = 48900950. Its totient is φ = 9013920.

The previous prime is 22534891. The next prime is 22534907. The reversal of 22534900 is 943522.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 501264 + 22033636 = 708^2 + 4694^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22534907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112575 + ... + 112774.

Almost surely, 2^22534900 is an apocalyptic number.

22534900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22534900 is an abundant number, since it is smaller than the sum of its proper divisors (26366050).

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

22534900 is a wasteful number, since it uses less digits than its factorization.

22534900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225363 (or 225356 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22534900 is about 4747.0938478189. The cubic root of 22534900 is about 282.4566984039.

The spelling of 22534900 in words is "twenty-two million, five hundred thirty-four thousand, nine hundred".