22221222212192 has 24 divisors (see below), whose sum is σ = 46050559191000. Its totient is φ = 10525842100224.

The previous prime is 22221222212191. The next prime is 22221222212201. The reversal of 22221222212192 is 29121222212222.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221222212191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18274030817 + ... + 18274032032.

It is an arithmetic number, because the mean of its divisors is an integer number (1918773299625).

Almost surely, 2^{22221222212192} is an apocalyptic number.

It is an amenable number.

22221222212192 is an abundant number, since it is smaller than the sum of its proper divisors (23829336978808).

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

22221222212192 is a wasteful number, since it uses less digits than its factorization.

22221222212192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36548062878 (or 36548062870 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The spelling of 22221222212192 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred ninety-two".