231468772 has 12 divisors (see below), whose sum is σ = 409247020. Its totient is φ = 114541056.

The previous prime is 231468767. The next prime is 231468791. The reversal of 231468772 is 277864132.

It can be written as a sum of positive squares in 2 ways, for example, as 163175076 + 68293696 = 12774^2 + 8264^2 .

It is a super-2 number, since 2×231468772² = 107155584822375968, which contains 22 as substring.

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, 297897 + ... + 298672.

Almost surely, 2^231468772 is an apocalyptic number.

It is an amenable number.

231468772 is a deficient number, since it is larger than the sum of its proper divisors (177778248).

231468772 is a wasteful number, since it uses less digits than its factorization.

231468772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596670 (or 596668 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 231468772 is about 15214.0978043392. The cubic root of 231468772 is about 613.9940122565.

The spelling of 231468772 in words is "two hundred thirty-one million, four hundred sixty-eight thousand, seven hundred seventy-two".