2222112222 has 24 divisors (see below), whose sum is σ = 5252265720. Its totient is φ = 673367280.

The previous prime is 2222112199. The next prime is 2222112229.

2222112222 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2222112195 and 2222112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222112229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5611197 + ... + 5611592.

It is an arithmetic number, because the mean of its divisors is an integer number (218844405).

Almost surely, 2^2222112222 is an apocalyptic number.

2222112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2222112222 is an abundant number, since it is smaller than the sum of its proper divisors (3030153498).

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

2222112222 is a wasteful number, since it uses less digits than its factorization.

2222112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222808 (or 11222805 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 2222112222 is about 47139.2853361185. The cubic root of 2222112222 is about 1304.9343482188.

It can be divided in two parts, 22221 and 12222, that added together give a palindrome (34443).

The spelling of 2222112222 in words is "two billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".