2222218372 has 48 divisors (see below), whose sum is σ = 4398141888. Its totient is φ = 973537920.

The previous prime is 2222218363. The next prime is 2222218379. The reversal of 2222218372 is 2738122222.

It is not an unprimeable number, because it can be changed into a prime (2222218379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167818 + ... + 180574.

It is an arithmetic number, because the mean of its divisors is an integer number (91627956).

Almost surely, 2^2222218372 is an apocalyptic number.

2222218372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2222218372 is a deficient number, since it is larger than the sum of its proper divisors (2175923516).

2222218372 is a wasteful number, since it uses less digits than its factorization.

2222218372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916 (or 12914 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 2222218372 is about 47140.4112413118. The cubic root of 2222218372 is about 1304.9551267337.

It can be divided in two parts, 2222 and 218372, that multiplied together give a palindrome (485222584).

The spelling of 2222218372 in words is "two billion, two hundred twenty-two million, two hundred eighteen thousand, three hundred seventy-two".