22532544 has 42 divisors (see below), whose sum is σ = 64587120. Its totient is φ = 7510656.

The previous prime is 22532533. The next prime is 22532561. The reversal of 22532544 is 44523522.

It is a happy number.

It is a super-2 number, since 2×22532544² = 1015431078223872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18984 + ... + 20135.

Almost surely, 2^22532544 is an apocalyptic number.

22532544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22532544 is an abundant number, since it is smaller than the sum of its proper divisors (42054576).

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

22532544 is a wasteful number, since it uses less digits than its factorization.

22532544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39137 (or 39124 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 22532544 is about 4746.8456895079. The cubic root of 22532544 is about 282.4468545443.

The spelling of 22532544 in words is "twenty-two million, five hundred thirty-two thousand, five hundred forty-four".