22532957 has 4 divisors (see below), whose sum is σ = 22671360. Its totient is φ = 22394556.

The previous prime is 22532953. The next prime is 22532959. The reversal of 22532957 is 75923522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22532957 - 2² = 22532953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68957 + ... + 69282.

It is an arithmetic number, because the mean of its divisors is an integer number (5667840).

Almost surely, 2^22532957 is an apocalyptic number.

It is an amenable number.

22532957 is a deficient number, since it is larger than the sum of its proper divisors (138403).

22532957 is a wasteful number, since it uses less digits than its factorization.

22532957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138402.

The product of its digits is 37800, while the sum is 35.

The square root of 22532957 is about 4746.8891918814. The cubic root of 22532957 is about 282.4485801941.

The spelling of 22532957 in words is "twenty-two million, five hundred thirty-two thousand, nine hundred fifty-seven".