22520532 has 12 divisors (see below), whose sum is σ = 52547936. Its totient is φ = 7506840.

The previous prime is 22520513. The next prime is 22520543. The reversal of 22520532 is 23502522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22520499 and 22520508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938344 + ... + 938367.

Almost surely, 2^22520532 is an apocalyptic number.

It is an amenable number.

22520532 is an abundant number, since it is smaller than the sum of its proper divisors (30027404).

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

22520532 is a wasteful number, since it uses less digits than its factorization.

22520532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876718 (or 1876716 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 22520532 is about 4745.5802595678. The cubic root of 22520532 is about 282.3966552314.

The spelling of 22520532 in words is "twenty-two million, five hundred twenty thousand, five hundred thirty-two".