2222711138 has 54 divisors (see below), whose sum is σ = 3710009961. Its totient is φ = 998509824.

The previous prime is 2222711137. The next prime is 2222711203. The reversal of 2222711138 is 8311172222.

It can be written as a sum of positive squares in 14 ways, for example, as 1531704769 + 691006369 = 39137^2 + 26287^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33337.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222711138.

It is not an unprimeable number, because it can be changed into a prime (2222711137) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41937920 + ... + 41937972.

Almost surely, 2^2222711138 is an apocalyptic number.

2222711138 is a deficient number, since it is larger than the sum of its proper divisors (1487298823).

2222711138 is an equidigital number, since it uses as much as digits as its factorization.

2222711138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 109 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 2222711138 is about 47145.6375288319. The cubic root of 2222711138 is about 1305.0515753998.

The spelling of 2222711138 in words is "two billion, two hundred twenty-two million, seven hundred eleven thousand, one hundred thirty-eight".