231422285 has 16 divisors (see below), whose sum is σ = 288202752. Its totient is φ = 178204800.

The previous prime is 231422267. The next prime is 231422287. The reversal of 231422285 is 582224132.

It is a de Polignac number, because none of the positive numbers 2^k-231422285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231422287) 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, 25697 + ... + 33513.

It is an arithmetic number, because the mean of its divisors is an integer number (18012672).

Almost surely, 2^231422285 is an apocalyptic number.

It is an amenable number.

231422285 is a deficient number, since it is larger than the sum of its proper divisors (56780467).

231422285 is a wasteful number, since it uses less digits than its factorization.

231422285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044.

The product of its digits is 7680, while the sum is 29.

The square root of 231422285 is about 15212.5699669714. The cubic root of 231422285 is about 613.9529057026.

The spelling of 231422285 in words is "two hundred thirty-one million, four hundred twenty-two thousand, two hundred eighty-five".