2222222113 has 4 divisors (see below), whose sum is σ = 2253521088. Its totient is φ = 2190923140.

The previous prime is 2222222111. The next prime is 2222222129. The reversal of 2222222113 is 3112222222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2222222113 - 2¹ = 2222222111 is a prime.

It is a super-2 number, since 2×2222222113² = 9876542239012369538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222222111) 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, 15649381 + ... + 15649522.

It is an arithmetic number, because the mean of its divisors is an integer number (563380272).

Almost surely, 2^2222222113 is an apocalyptic number.

It is an amenable number.

2222222113 is a deficient number, since it is larger than the sum of its proper divisors (31298975).

2222222113 is an equidigital number, since it uses as much as digits as its factorization.

2222222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31298974.

The product of its digits is 384, while the sum is 19.

The square root of 2222222113 is about 47140.4509206265. The cubic root of 2222222113 is about 1304.9558590101.

Adding to 2222222113 its reverse (3112222222), we get a palindrome (5334444335).

The spelling of 2222222113 in words is "two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirteen".