22504552 has 16 divisors (see below), whose sum is σ = 48224160. Its totient is φ = 9644784.

The previous prime is 22504541. The next prime is 22504577. The reversal of 22504552 is 25540522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200878 + ... + 200989.

It is an arithmetic number, because the mean of its divisors is an integer number (3014010).

Almost surely, 2^22504552 is an apocalyptic number.

It is an amenable number.

22504552 is an abundant number, since it is smaller than the sum of its proper divisors (25719608).

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

22504552 is a wasteful number, since it uses less digits than its factorization.

22504552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401880 (or 401876 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 22504552 is about 4743.8962889169. The cubic root of 22504552 is about 282.3298455850.

The spelling of 22504552 in words is "twenty-two million, five hundred four thousand, five hundred fifty-two".