2222022120 has 32 divisors (see below), whose sum is σ = 6666066720. Its totient is φ = 592539200.

The previous prime is 2222022109. The next prime is 2222022139. The reversal of 2222022120 is 212202222.

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 2222022120.

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, 9258306 + ... + 9258545.

It is an arithmetic number, because the mean of its divisors is an integer number (208314585).

Almost surely, 2^2222022120 is an apocalyptic number.

2222022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222022120 is an abundant number, since it is smaller than the sum of its proper divisors (4444044600).

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

2222022120 is a wasteful number, since it uses less digits than its factorization.

2222022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18516865 (or 18516861 counting only the distinct ones).

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

The square root of 2222022120 is about 47138.3296267485. The cubic root of 2222022120 is about 1304.9167105282.

Adding to 2222022120 its reverse (212202222), we get a palindrome (2434224342).

The spelling of 2222022120 in words is "two billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty".