22552 has 8 divisors (see below), whose sum is σ = 42300. Its totient is φ = 11272.

The previous prime is 22549. The next prime is 22567. The reversal of 22552 is 25522.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402 + ... + 1417.

2²²⁵⁵² is an apocalyptic number.

It is an amenable number.

22552 is a deficient number, since it is larger than the sum of its proper divisors (19748).

22552 is a wasteful number, since it uses less digits than its factorization.

22552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2821 counting only the distinct ones).

The product of its digits is 200, while the sum is 16.

The square root of 22552 is about 150.1732333007. The cubic root of 22552 is about 28.2528125218.

The spelling of 22552 in words is "twenty-two thousand, five hundred fifty-two".