22112211022192 has 80 divisors (see below), whose sum is σ = 45007549957440. Its totient is φ = 10509718173696.

The previous prime is 22112211022189. The next prime is 22112211022193. The reversal of 22112211022192 is 29122011221122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112211022192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112211022193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18280693 + ... + 19452715.

It is an arithmetic number, because the mean of its divisors is an integer number (562594374468).

Almost surely, 2^{22112211022192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112211022192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22503774978720).

22112211022192 is an abundant number, since it is smaller than the sum of its proper divisors (22895338935248).

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

22112211022192 is a wasteful number, since it uses less digits than its factorization.

22112211022192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172690 (or 1172684 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 22112211022192 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, twenty-two thousand, one hundred ninety-two".