22331000312 has 32 divisors (see below), whose sum is σ = 42240441600. Its totient is φ = 11067302400.

The previous prime is 22331000309. The next prime is 22331000359. The reversal of 22331000312 is 21300013322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403364 + ... + 455372.

It is an arithmetic number, because the mean of its divisors is an integer number (1320013800).

Almost surely, 2^22331000312 is an apocalyptic number.

It is an amenable number.

22331000312 is a deficient number, since it is larger than the sum of its proper divisors (19909441288).

22331000312 is a wasteful number, since it uses less digits than its factorization.

22331000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52487 (or 52483 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22331000312 its reverse (21300013322), we get a palindrome (43631013634).

The spelling of 22331000312 in words is "twenty-two billion, three hundred thirty-one million, three hundred twelve", and thus it is an aban number.