22122200022 has 32 divisors (see below), whose sum is σ = 48318923520. Its totient is φ = 6710958240.

The previous prime is 22122200021. The next prime is 22122200039. The reversal of 22122200022 is 22000222122.

It is a junction number, because it is equal to n+sod(n) for n = 22122199974 and 22122200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122200021) 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, 1991772 + ... + 2002847.

It is an arithmetic number, because the mean of its divisors is an integer number (1509966360).

Almost surely, 2^22122200022 is an apocalyptic number.

22122200022 is an abundant number, since it is smaller than the sum of its proper divisors (26196723498).

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

22122200022 is a wasteful number, since it uses less digits than its factorization.

22122200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994708.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22122200022 its reverse (22000222122), we get a palindrome (44122422144).

The spelling of 22122200022 in words is "twenty-two billion, one hundred twenty-two million, two hundred thousand, twenty-two".