22112212210209 has 24 divisors (see below), whose sum is σ = 35117844083712. Its totient is φ = 13295818357920.

The previous prime is 22112212210169. The next prime is 22112212210213. The reversal of 22112212210209 is 90201221221122.

22112212210209 is a `hidden beast` number, since 2 + 2 + 11 + 221 + 221 + 0 + 209 = 666.

It is not a de Polignac number, because 22112212210209 - 2¹⁵ = 22112212177441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112212211209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879340494 + ... + 879365639.

It is an arithmetic number, because the mean of its divisors is an integer number (1463243503488).

Almost surely, 2^{22112212210209} is an apocalyptic number.

It is an amenable number.

22112212210209 is a deficient number, since it is larger than the sum of its proper divisors (13005631873503).

22112212210209 is a wasteful number, since it uses less digits than its factorization.

22112212210209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758706277 (or 1758706274 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 22112212210209 in words is "twenty-two trillion, one hundred twelve billion, two hundred twelve million, two hundred ten thousand, two hundred nine".