22125236 has 36 divisors (see below), whose sum is σ = 45211488. Its totient is φ = 9280464.

The previous prime is 22125217. The next prime is 22125239. The reversal of 22125236 is 63252122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22125239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97355 + ... + 97581.

Almost surely, 2^22125236 is an apocalyptic number.

It is an amenable number.

22125236 is an abundant number, since it is smaller than the sum of its proper divisors (23086252).

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

22125236 is a wasteful number, since it uses less digits than its factorization.

22125236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 295 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 22125236 is about 4703.7470170068. The cubic root of 22125236 is about 280.7346185605.

Adding to 22125236 its reverse (63252122), we get a palindrome (85377358).

The spelling of 22125236 in words is "twenty-two million, one hundred twenty-five thousand, two hundred thirty-six".