22221112202022 has 32 divisors (see below), whose sum is σ = 45261308448000. Its totient is φ = 7271010076320.

The previous prime is 22221112202011. The next prime is 22221112202057. The reversal of 22221112202022 is 22020221112222.

It is a self number, because there is not a number n which added to its sum of digits gives 22221112202022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60652458 + ... + 61017725.

It is an arithmetic number, because the mean of its divisors is an integer number (1414415889000).

Almost surely, 2^{22221112202022} is an apocalyptic number.

22221112202022 is an abundant number, since it is smaller than the sum of its proper divisors (23040196245978).

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

22221112202022 is a wasteful number, since it uses less digits than its factorization.

22221112202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121670748.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22221112202022 its reverse (22020221112222), we get a palindrome (44241333314244).

The spelling of 22221112202022 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred two thousand, twenty-two".