2222102220 has 96 divisors (see below), whose sum is σ = 6991875072. Its totient is φ = 523193088.

The previous prime is 2222102209. The next prime is 2222102321. The reversal of 2222102220 is 222012222.

It is a super-2 number, since 2×2222102220² = 9875476552257856800, which 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 2222102220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43992 + ... + 79871.

It is an arithmetic number, because the mean of its divisors is an integer number (72832032).

Almost surely, 2^2222102220 is an apocalyptic number.

2222102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222102220 is an abundant number, since it is smaller than the sum of its proper divisors (4769772852).

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

2222102220 is a wasteful number, since it uses less digits than its factorization.

2222102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123911 (or 123909 counting only the distinct ones).

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

The square root of 2222102220 is about 47139.1792461430. The cubic root of 2222102220 is about 1304.9323903260.

Adding to 2222102220 its reverse (222012222), we get a palindrome (2444114442).

The spelling of 2222102220 in words is "two billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".