22542532 has 6 divisors (see below), whose sum is σ = 39449438. Its totient is φ = 11271264.

The previous prime is 22542479. The next prime is 22542539. The reversal of 22542532 is 23524522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20939776 + 1602756 = 4576^2 + 1266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22542497 and 22542506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817813 + ... + 2817820.

Almost surely, 2^22542532 is an apocalyptic number.

It is an amenable number.

22542532 is a deficient number, since it is larger than the sum of its proper divisors (16906906).

22542532 is a wasteful number, since it uses less digits than its factorization.

22542532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635637 (or 5635635 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 22542532 is about 4747.8976400087. The cubic root of 22542532 is about 282.4885817820.

The spelling of 22542532 in words is "twenty-two million, five hundred forty-two thousand, five hundred thirty-two".