22312120232 has 16 divisors (see below), whose sum is σ = 43654148640. Its totient is φ = 10671013936.

The previous prime is 22312120213. The next prime is 22312120241. The reversal of 22312120232 is 23202121322.

It is a happy number.

It is a super-3 number, since 3×22312120232³ (a number of 32 digits) contains 333 as substring.

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, 60630578 + ... + 60630945.

It is an arithmetic number, because the mean of its divisors is an integer number (2728384290).

Almost surely, 2^22312120232 is an apocalyptic number.

It is an amenable number.

22312120232 is a deficient number, since it is larger than the sum of its proper divisors (21342028408).

22312120232 is a wasteful number, since it uses less digits than its factorization.

22312120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121261552 (or 121261548 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22312120232 its reverse (23202121322), we get a palindrome (45514241554).

The spelling of 22312120232 in words is "twenty-two billion, three hundred twelve million, one hundred twenty thousand, two hundred thirty-two".