22200021212022 has 12 divisors (see below), whose sum is σ = 48100045959420. Its totient is φ = 7400007070668.

The previous prime is 22200021212011. The next prime is 22200021212023. The reversal of 22200021212022 is 22021212000222.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1233334511779 = 22200021212022 / (2 + 2 + 2 + 0 + 0 + 0 + 2 + 1 + 2 + 1 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22200021211986 and 22200021212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200021212023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616667255872 + ... + 616667255907.

It is an arithmetic number, because the mean of its divisors is an integer number (4008337163285).

Almost surely, 2^{22200021212022} is an apocalyptic number.

22200021212022 is an abundant number, since it is smaller than the sum of its proper divisors (25900024747398).

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

22200021212022 is a wasteful number, since it uses less digits than its factorization.

22200021212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233334511787 (or 1233334511784 counting only the distinct ones).

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

Adding to 22200021212022 its reverse (22021212000222), we get a palindrome (44221233212244).

The spelling of 22200021212022 in words is "twenty-two trillion, two hundred billion, twenty-one million, two hundred twelve thousand, twenty-two".