231622832 has 20 divisors (see below), whose sum is σ = 512879376. Its totient is φ = 99266880.

The previous prime is 231622823. The next prime is 231622843. The reversal of 231622832 is 238226132.

It is a junction number, because it is equal to n+sod(n) for n = 231622795 and 231622804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033919 + ... + 1034142.

Almost surely, 2^231622832 is an apocalyptic number.

It is an amenable number.

231622832 is an abundant number, since it is smaller than the sum of its proper divisors (281256544).

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

231622832 is a wasteful number, since it uses less digits than its factorization.

231622832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068076 (or 2068070 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 231622832 is about 15219.1600293840. The cubic root of 231622832 is about 614.1302018865.

Adding to 231622832 its reverse (238226132), we get a palindrome (469848964).

The spelling of 231622832 in words is "two hundred thirty-one million, six hundred twenty-two thousand, eight hundred thirty-two".