231222232 has 16 divisors (see below), whose sum is σ = 433724400. Its totient is φ = 115562400.

The previous prime is 231222209. The next prime is 231222259. The reversal of 231222232 is 232222132.

231222232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 21357 + ... + 30307.

It is an arithmetic number, because the mean of its divisors is an integer number (27107775).

Almost surely, 2^231222232 is an apocalyptic number.

It is an amenable number.

231222232 is a deficient number, since it is larger than the sum of its proper divisors (202502168).

231222232 is a wasteful number, since it uses less digits than its factorization.

231222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12186 (or 12182 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 231222232 is about 15205.9932921201. The cubic root of 231222232 is about 613.7759441665.

Adding to 231222232 its reverse (232222132), we get a palindrome (463444364).

The spelling of 231222232 in words is "two hundred thirty-one million, two hundred twenty-two thousand, two hundred thirty-two".