231422632 has 32 divisors (see below), whose sum is σ = 525078720. Its totient is φ = 93346560.

The previous prime is 231422627. The next prime is 231422647. The reversal of 231422632 is 236224132.

It is a junction number, because it is equal to n+sod(n) for n = 231422597 and 231422606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120594 + ... + 122497.

It is an arithmetic number, because the mean of its divisors is an integer number (16408710).

Almost surely, 2^231422632 is an apocalyptic number.

It is an amenable number.

231422632 is an abundant number, since it is smaller than the sum of its proper divisors (293656088).

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

231422632 is a wasteful number, since it uses less digits than its factorization.

231422632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243121 (or 243117 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 231422632 is about 15212.5813720092. The cubic root of 231422632 is about 613.9532125609.

Adding to 231422632 its reverse (236224132), we get a palindrome (467646764).

The spelling of 231422632 in words is "two hundred thirty-one million, four hundred twenty-two thousand, six hundred thirty-two".