22542204 has 24 divisors (see below), whose sum is σ = 55693008. Its totient is φ = 7072000.

The previous prime is 22542203. The next prime is 22542209. The reversal of 22542204 is 40224522.

It is a super-2 number, since 2×22542204² = 1016301922355232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542203) 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, 55047 + ... + 55454.

It is an arithmetic number, because the mean of its divisors is an integer number (2320542).

Almost surely, 2^22542204 is an apocalyptic number.

It is an amenable number.

22542204 is an abundant number, since it is smaller than the sum of its proper divisors (33150804).

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

22542204 is a wasteful number, since it uses less digits than its factorization.

22542204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110525 (or 110523 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 22542204 is about 4747.8630982791. The cubic root of 22542204 is about 282.4872116800.

Adding to 22542204 its reverse (40224522), we get a palindrome (62766726).

The spelling of 22542204 in words is "twenty-two million, five hundred forty-two thousand, two hundred four".