22542424 has 16 divisors (see below), whose sum is σ = 42399720. Its totient is φ = 11235840.

The previous prime is 22542409. The next prime is 22542433. The reversal of 22542424 is 42424522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609 + ... + 6904.

Almost surely, 2^22542424 is an apocalyptic number.

It is an amenable number.

22542424 is a deficient number, since it is larger than the sum of its proper divisors (19857296).

22542424 is a wasteful number, since it uses less digits than its factorization.

22542424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850 (or 8846 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 22542424 is about 4747.8862665401. The cubic root of 22542424 is about 282.4881306523.

Adding to 22542424 its reverse (42424522), we get a palindrome (64966946).

The spelling of 22542424 in words is "twenty-two million, five hundred forty-two thousand, four hundred twenty-four".