231222332 has 12 divisors (see below), whose sum is σ = 441424536. Its totient is φ = 105101040.

The previous prime is 231222319. The next prime is 231222347. The reversal of 231222332 is 233222132.

It is a congruent number.

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, 2627483 + ... + 2627570.

It is an arithmetic number, because the mean of its divisors is an integer number (36785378).

Almost surely, 2^231222332 is an apocalyptic number.

231222332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231222332 is a deficient number, since it is larger than the sum of its proper divisors (210202204).

231222332 is a wasteful number, since it uses less digits than its factorization.

231222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255068 (or 5255066 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 231222332 is about 15205.9965802969. The cubic root of 231222332 is about 613.7760326493.

Adding to 231222332 its reverse (233222132), we get a palindrome (464444464).

The spelling of 231222332 in words is "two hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-two".