232221872 has 20 divisors (see below), whose sum is σ = 450183240. Its totient is φ = 116045568.

The previous prime is 232221863. The next prime is 232221881. The reversal of 232221872 is 278122232.

It is an interprime number because it is at equal distance from previous prime (232221863) and next prime (232221881).

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, 38963 + ... + 44525.

It is an arithmetic number, because the mean of its divisors is an integer number (22509162).

Almost surely, 2^232221872 is an apocalyptic number.

It is an amenable number.

232221872 is a deficient number, since it is larger than the sum of its proper divisors (217961368).

232221872 is a wasteful number, since it uses less digits than its factorization.

232221872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180 (or 8174 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 232221872 is about 15238.8277764400. The cubic root of 232221872 is about 614.6591823478.

The spelling of 232221872 in words is "two hundred thirty-two million, two hundred twenty-one thousand, eight hundred seventy-two".