22122202200 has 96 divisors (see below), whose sum is σ = 78375816960. Its totient is φ = 5056502400.

The previous prime is 22122202199. The next prime is 22122202243. The reversal of 22122202200 is 220222122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22122202200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2629396 + ... + 2637795.

It is an arithmetic number, because the mean of its divisors is an integer number (816414760).

Almost surely, 2^22122202200 is an apocalyptic number.

22122202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122202200 is an abundant number, since it is smaller than the sum of its proper divisors (56253614760).

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

22122202200 is a wasteful number, since it uses less digits than its factorization.

22122202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267217 (or 5267208 counting only the distinct ones).

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

Adding to 22122202200 its reverse (220222122), we get a palindrome (22342424322).

The spelling of 22122202200 in words is "twenty-two billion, one hundred twenty-two million, two hundred two thousand, two hundred".