32231157 has 16 divisors (see below), whose sum is σ = 49222272. Its totient is φ = 18377280.

The previous prime is 32231137. The next prime is 32231183. The reversal of 32231157 is 75113223.

It is not a de Polignac number, because 32231157 - 2⁸ = 32230901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32231117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9943 + ... + 12779.

It is an arithmetic number, because the mean of its divisors is an integer number (3076392).

Almost surely, 2^32231157 is an apocalyptic number.

It is an amenable number.

32231157 is a deficient number, since it is larger than the sum of its proper divisors (16991115).

32231157 is a wasteful number, since it uses less digits than its factorization.

32231157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388.

The product of its digits is 1260, while the sum is 24.

The square root of 32231157 is about 5677.2490697520. The cubic root of 32231157 is about 318.2428329916.

The spelling of 32231157 in words is "thirty-two million, two hundred thirty-one thousand, one hundred fifty-seven".