432220257 has 24 divisors (see below), whose sum is σ = 755479296. Its totient is φ = 232454016.

The previous prime is 432220211. The next prime is 432220279. The reversal of 432220257 is 752022234.

432220257 is a `hidden beast` number, since 432 + 220 + 2 + 5 + 7 = 666.

It is not a de Polignac number, because 432220257 - 2⁶ = 432220193 is a prime.

It is a super-2 number, since 2×432220257² = 373628701122292098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 432220257.

It is not an unprimeable number, because it can be changed into a prime (432220357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200713 + ... + 202854.

It is an arithmetic number, because the mean of its divisors is an integer number (31478304).

Almost surely, 2^432220257 is an apocalyptic number.

It is an amenable number.

432220257 is a deficient number, since it is larger than the sum of its proper divisors (323259039).

432220257 is a wasteful number, since it uses less digits than its factorization.

432220257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403597 (or 403594 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 432220257 is about 20789.9075755521. The cubic root of 432220257 is about 756.0810833080.

The spelling of 432220257 in words is "four hundred thirty-two million, two hundred twenty thousand, two hundred fifty-seven".