22200021122022 has 24 divisors (see below), whose sum is σ = 48129074221176. Its totient is φ = 7395541124256.

The previous prime is 22200021121981. The next prime is 22200021122101. The reversal of 22200021122022 is 22022112000222.

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 = 22200021121986 and 22200021122004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372129048 + ... + 372188699.

It is an arithmetic number, because the mean of its divisors is an integer number (2005378092549).

Almost surely, 2^{22200021122022} is an apocalyptic number.

22200021122022 is an abundant number, since it is smaller than the sum of its proper divisors (25929053099154).

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

22200021122022 is a wasteful number, since it uses less digits than its factorization.

22200021122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744319412 (or 744319409 counting only the distinct ones).

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

Adding to 22200021122022 its reverse (22022112000222), we get a palindrome (44222133122244).

The spelling of 22200021122022 in words is "twenty-two trillion, two hundred billion, twenty-one million, one hundred twenty-two thousand, twenty-two".