2222116172 has 24 divisors (see below), whose sum is σ = 4167068976. Its totient is φ = 1033100288.

The previous prime is 2222116153. The next prime is 2222116199. The reversal of 2222116172 is 2716112222.

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, 191213 + ... + 202500.

It is an arithmetic number, because the mean of its divisors is an integer number (173627874).

Almost surely, 2^2222116172 is an apocalyptic number.

It is an amenable number.

2222116172 is a deficient number, since it is larger than the sum of its proper divisors (1944952804).

2222116172 is a wasteful number, since it uses less digits than its factorization.

2222116172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393817 (or 393815 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 2222116172 is about 47139.3272332137. The cubic root of 2222116172 is about 1304.9351214302.

Adding to 2222116172 its reverse (2716112222), we get a palindrome (4938228394).

The spelling of 2222116172 in words is "two billion, two hundred twenty-two million, one hundred sixteen thousand, one hundred seventy-two".