22542552 has 48 divisors (see below), whose sum is σ = 61977240. Its totient is φ = 7400448.

The previous prime is 22542547. The next prime is 22542577. The reversal of 22542552 is 25524522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2488 + ... + 7160.

Almost surely, 2^22542552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22542552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30988620).

22542552 is an abundant number, since it is smaller than the sum of its proper divisors (39434688).

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

22542552 is a wasteful number, since it uses less digits than its factorization.

22542552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 4745 counting only the distinct ones).

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

The square root of 22542552 is about 4747.8997462036. The cubic root of 22542552 is about 282.4886653243.

The spelling of 22542552 in words is "twenty-two million, five hundred forty-two thousand, five hundred fifty-two".