2202200021220 has 24 divisors (see below), whose sum is σ = 6166160059584. Its totient is φ = 587253338976.

The previous prime is 2202200021201. The next prime is 2202200021297. The reversal of 2202200021220 is 221200022022.

It is a super-2 number, since 2×2202200021220² (a number of 25 digits) contains 22 as substring.

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 2202200021220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18351666784 + ... + 18351666903.

It is an arithmetic number, because the mean of its divisors is an integer number (256923335816).

Almost surely, 2^{2202200021220} is an apocalyptic number.

2202200021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202200021220 is an abundant number, since it is smaller than the sum of its proper divisors (3963960038364).

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

2202200021220 is a wasteful number, since it uses less digits than its factorization.

2202200021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36703333699 (or 36703333697 counting only the distinct ones).

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

Adding to 2202200021220 its reverse (221200022022), we get a palindrome (2423400043242).

The spelling of 2202200021220 in words is "two trillion, two hundred two billion, two hundred million, twenty-one thousand, two hundred twenty".