231422332 has 12 divisors (see below), whose sum is σ = 406566720. Its totient is φ = 115260416.

The previous prime is 231422329. The next prime is 231422333. The reversal of 231422332 is 233224132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231422333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111532 + ... + 113587.

It is an arithmetic number, because the mean of its divisors is an integer number (33880560).

Almost surely, 2^231422332 is an apocalyptic number.

It is an amenable number.

231422332 is a deficient number, since it is larger than the sum of its proper divisors (175144388).

231422332 is a wasteful number, since it uses less digits than its factorization.

231422332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225380 (or 225378 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 231422332 is about 15212.5715117465. The cubic root of 231422332 is about 613.9529472656.

Adding to 231422332 its reverse (233224132), we get a palindrome (464646464).

The spelling of 231422332 in words is "two hundred thirty-one million, four hundred twenty-two thousand, three hundred thirty-two".