22542252 has 24 divisors (see below), whose sum is σ = 52684800. Its totient is φ = 7501776.

The previous prime is 22542229. The next prime is 22542263. The reversal of 22542252 is 25224522.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8949 + ... + 11187.

It is an arithmetic number, because the mean of its divisors is an integer number (2195200).

Almost surely, 2^22542252 is an apocalyptic number.

It is an amenable number.

22542252 is an abundant number, since it is smaller than the sum of its proper divisors (30142548).

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

22542252 is a wasteful number, since it uses less digits than its factorization.

22542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085 (or 3083 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 22542252 is about 4747.8681531820. The cubic root of 22542252 is about 282.4874121835.

Adding to 22542252 its reverse (25224522), we get a palindrome (47766774).

The spelling of 22542252 in words is "twenty-two million, five hundred forty-two thousand, two hundred fifty-two".