22100220022200 has 96 divisors (see below), whose sum is σ = 71489407420800. Its totient is φ = 5637157567360.

The previous prime is 22100220022183. The next prime is 22100220022217. The reversal of 22100220022200 is 222002200122.

It is an interprime number because it is at equal distance from previous prime (22100220022183) and next prime (22100220022217).

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 22100220022200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 800718810 + ... + 800746409.

It is an arithmetic number, because the mean of its divisors is an integer number (744681327300).

Almost surely, 2^{22100220022200} is an apocalyptic number.

22100220022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100220022200 is an abundant number, since it is smaller than the sum of its proper divisors (49389187398600).

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

22100220022200 is a wasteful number, since it uses less digits than its factorization.

22100220022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601465261 (or 1601465252 counting only the distinct ones).

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

Adding to 22100220022200 its reverse (222002200122), we get a palindrome (22322222222322).

The spelling of 22100220022200 in words is "twenty-two trillion, one hundred billion, two hundred twenty million, twenty-two thousand, two hundred".