22192012212 has 24 divisors (see below), whose sum is σ = 51784703712. Its totient is φ = 7396860000.

The previous prime is 22192012169. The next prime is 22192012243. The reversal of 22192012212 is 21221029122.

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, 169087 + ... + 270137.

It is an arithmetic number, because the mean of its divisors is an integer number (2157695988).

Almost surely, 2^22192012212 is an apocalyptic number.

It is an amenable number.

22192012212 is an abundant number, since it is smaller than the sum of its proper divisors (29592691500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22192012212 is a wasteful number, since it uses less digits than its factorization.

22192012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119359 (or 119357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 22192012212 in words is "twenty-two billion, one hundred ninety-two million, twelve thousand, two hundred twelve".