231222323222132 has 72 divisors (see below), whose sum is σ = 445828902132096. Its totient is φ = 104850523008000.

The previous prime is 231222323222131. The next prime is 231222323222167.

231222323222132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×231222323222132² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231222323222131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4915312532 + ... + 4915359572.

It is an arithmetic number, because the mean of its divisors is an integer number (6192068085168).

Almost surely, 2^{231222323222132} is an apocalyptic number.

231222323222132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231222323222132 is a deficient number, since it is larger than the sum of its proper divisors (214606578909964).

231222323222132 is a wasteful number, since it uses less digits than its factorization.

231222323222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71061 (or 71048 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

The spelling of 231222323222132 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred twenty-three million, two hundred twenty-two thousand, one hundred thirty-two".