22331133212 has 12 divisors (see below), whose sum is σ = 39102909720. Its totient is φ = 11158873296.

The previous prime is 22331133191. The next prime is 22331133263. The reversal of 22331133212 is 21233113322.

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, 1665818 + ... + 1679169.

It is an arithmetic number, because the mean of its divisors is an integer number (3258575810).

Almost surely, 2^22331133212 is an apocalyptic number.

It is an amenable number.

22331133212 is a deficient number, since it is larger than the sum of its proper divisors (16771776508).

22331133212 is a wasteful number, since it uses less digits than its factorization.

22331133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346660 (or 3346658 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 22331133212 its reverse (21233113322), we get a palindrome (43564246534).

The spelling of 22331133212 in words is "twenty-two billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred twelve".