22112200020222 has 72 divisors (see below), whose sum is σ = 51881863386600. Its totient is φ = 6803328901824.

The previous prime is 22112200020187. The next prime is 22112200020283. The reversal of 22112200020222 is 22202000221122.

22112200020222 is a `hidden beast` number, since 221 + 1 + 2 + 200 + 0 + 20 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22112200020195 and 22112200020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50336304 + ... + 50773692.

It is an arithmetic number, because the mean of its divisors is an integer number (720581435925).

Almost surely, 2^{22112200020222} is an apocalyptic number.

22112200020222 is an abundant number, since it is smaller than the sum of its proper divisors (29769663366378).

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

22112200020222 is a wasteful number, since it uses less digits than its factorization.

22112200020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454042 (or 454026 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22112200020222 its reverse (22202000221122), we get a palindrome (44314200241344).

The spelling of 22112200020222 in words is "twenty-two trillion, one hundred twelve billion, two hundred million, twenty thousand, two hundred twenty-two".