2222500172 has 12 divisors (see below), whose sum is σ = 3900918840. Its totient is φ = 1107951936.

The previous prime is 2222500157. The next prime is 2222500177. The reversal of 2222500172 is 2710052222.

It is not an unprimeable number, because it can be changed into a prime (2222500177) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 823022 + ... + 825717.

It is an arithmetic number, because the mean of its divisors is an integer number (325076570).

Almost surely, 2^2222500172 is an apocalyptic number.

It is an amenable number.

2222500172 is a deficient number, since it is larger than the sum of its proper divisors (1678418668).

2222500172 is a wasteful number, since it uses less digits than its factorization.

2222500172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649080 (or 1649078 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2222500172 is about 47143.4000895141. The cubic root of 2222500172 is about 1305.0102849510.

Adding to 2222500172 its reverse (2710052222), we get a palindrome (4932552394).

The spelling of 2222500172 in words is "two billion, two hundred twenty-two million, five hundred thousand, one hundred seventy-two".