22554252 has 36 divisors (see below), whose sum is σ = 65157456. Its totient is φ = 6444000.

The previous prime is 22554247. The next prime is 22554253. The reversal of 22554252 is 25245522.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (22554253) 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, 44499 + ... + 45002.

Almost surely, 2^22554252 is an apocalyptic number.

It is an amenable number.

22554252 is an abundant number, since it is smaller than the sum of its proper divisors (42603204).

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

22554252 is a wasteful number, since it uses less digits than its factorization.

22554252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89518 (or 89513 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22554252 is about 4749.1317101129. The cubic root of 22554252 is about 282.5375291463.

Adding to 22554252 its reverse (25245522), we get a palindrome (47799774).

The spelling of 22554252 in words is "twenty-two million, five hundred fifty-four thousand, two hundred fifty-two".