22437252 has 36 divisors (see below), whose sum is σ = 59703280. Its totient is φ = 7085232.

The previous prime is 22437221. The next prime is 22437253. The reversal of 22437252 is 25273422.

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 (22437253) 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, 15718 + ... + 17085.

Almost surely, 2^22437252 is an apocalyptic number.

It is an amenable number.

22437252 is an abundant number, since it is smaller than the sum of its proper divisors (37266028).

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

22437252 is a wasteful number, since it uses less digits than its factorization.

22437252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32832 (or 32827 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 22437252 is about 4736.7976524230. The cubic root of 22437252 is about 282.0481281973.

The spelling of 22437252 in words is "twenty-two million, four hundred thirty-seven thousand, two hundred fifty-two".