2202222120 has 64 divisors (see below), whose sum is σ = 7550478720. Its totient is φ = 503364864.

The previous prime is 2202222089. The next prime is 2202222131. The reversal of 2202222120 is 212222022.

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 2202222120.

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 15 ways as a sum of consecutive naturals, for example, 1310007 + ... + 1311686.

It is an arithmetic number, because the mean of its divisors is an integer number (117976230).

Almost surely, 2^2202222120 is an apocalyptic number.

2202222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202222120 is an abundant number, since it is smaller than the sum of its proper divisors (5348256600).

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

2202222120 is a wasteful number, since it uses less digits than its factorization.

2202222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621714 (or 2621710 counting only the distinct ones).

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

The square root of 2202222120 is about 46927.8394985322. The cubic root of 2202222120 is about 1301.0291889375.

Adding to 2202222120 its reverse (212222022), we get a palindrome (2414444142).

The spelling of 2202222120 in words is "two billion, two hundred two million, two hundred twenty-two thousand, one hundred twenty".