22212022012 has 12 divisors (see below), whose sum is σ = 38885577640. Its totient is φ = 11101856976.

The previous prime is 22212021989. The next prime is 22212022033. The reversal of 22212022012 is 21022021222.

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, 1026462 + ... + 1047877.

Almost surely, 2^22212022012 is an apocalyptic number.

It is an amenable number.

22212022012 is a deficient number, since it is larger than the sum of its proper divisors (16673555628).

22212022012 is a wasteful number, since it uses less digits than its factorization.

22212022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077020 (or 2077018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22212022012 its reverse (21022021222), we get a palindrome (43234043234).

The spelling of 22212022012 in words is "twenty-two billion, two hundred twelve million, twenty-two thousand, twelve".