2220222090 has 64 divisors (see below), whose sum is σ = 5390478720. Its totient is φ = 585204480.

The previous prime is 2220222089. The next prime is 2220222127. The reversal of 2220222090 is 902220222.

It is a super-2 number, since 2×2220222090² = 9858772257847936200, which contains 22 as substring.

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, 2684257 + ... + 2685083.

It is an arithmetic number, because the mean of its divisors is an integer number (84226230).

Almost surely, 2^2220222090 is an apocalyptic number.

2220222090 is an abundant number, since it is smaller than the sum of its proper divisors (3170256630).

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

2220222090 is a wasteful number, since it uses less digits than its factorization.

2220222090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2220222090 is about 47119.2326974878. The cubic root of 2220222090 is about 1304.5642502236.

The spelling of 2220222090 in words is "two billion, two hundred twenty million, two hundred twenty-two thousand, ninety".