231228264 has 16 divisors (see below), whose sum is σ = 578070720. Its totient is φ = 77076080.

The previous prime is 231228259. The next prime is 231228293. The reversal of 231228264 is 462822132.

It is a nude number because it is divisible by every one of its digits.

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, 4817232 + ... + 4817279.

It is an arithmetic number, because the mean of its divisors is an integer number (36129420).

Almost surely, 2^231228264 is an apocalyptic number.

231228264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231228264 is an abundant number, since it is smaller than the sum of its proper divisors (346842456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231228264 is a wasteful number, since it uses less digits than its factorization.

231228264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9634520 (or 9634516 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 231228264 is about 15206.1916336734. The cubic root of 231228264 is about 613.7812814046.

The spelling of 231228264 in words is "two hundred thirty-one million, two hundred twenty-eight thousand, two hundred sixty-four".