22542132 has 24 divisors (see below), whose sum is σ = 55367200. Its totient is φ = 7118496.

The previous prime is 22542109. The next prime is 22542133. The reversal of 22542132 is 23124522.

It is a junction number, because it is equal to n+sod(n) for n = 22542099 and 22542108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49207 + ... + 49662.

Almost surely, 2^22542132 is an apocalyptic number.

It is an amenable number.

22542132 is an abundant number, since it is smaller than the sum of its proper divisors (32825068).

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

22542132 is a wasteful number, since it uses less digits than its factorization.

22542132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98895 (or 98893 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 22542132 is about 4747.8555159145. The cubic root of 22542132 is about 282.4869109241.

Adding to 22542132 its reverse (23124522), we get a palindrome (45666654).

The spelling of 22542132 in words is "twenty-two million, five hundred forty-two thousand, one hundred thirty-two".