22200022022022 has 192 divisors, whose sum is σ = 52465265588736. Its totient is φ = 6743666442240.

The previous prime is 22200022021949. The next prime is 22200022022029. The reversal of 22200022022022 is 22022022000222.

22200022022022 is a `hidden beast` number, since 2 + 2 + 200 + 0 + 220 + 220 + 22 = 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 = 22200022021986 and 22200022022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200022022029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9162203503 + ... + 9162205925.

It is an arithmetic number, because the mean of its divisors is an integer number (273256591608).

Almost surely, 2^{22200022022022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200022022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26232632794368).

22200022022022 is an abundant number, since it is smaller than the sum of its proper divisors (30265243566714).

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

22200022022022 is a wasteful number, since it uses less digits than its factorization.

22200022022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995 (or 3992 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22200022022022 its reverse (22022022000222), we get a palindrome (44222044022244).

The spelling of 22200022022022 in words is "twenty-two trillion, two hundred billion, twenty-two million, twenty-two thousand, twenty-two".