222222012137 has 2 divisors, whose sum is σ = 222222012138. Its totient is φ = 222222012136.

The previous prime is 222222012097. The next prime is 222222012143. The reversal of 222222012137 is 731210222222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221291213056 + 930799081 = 470416^2 + 30509^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222012137 - 2¹⁰ = 222222011113 is a prime.

It is not a weakly prime, because it can be changed into another prime (222222014137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111006068 + 111111006069.

It is an arithmetic number, because the mean of its divisors is an integer number (111111006069).

Almost surely, 2^222222012137 is an apocalyptic number.

It is an amenable number.

222222012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222012137 is an equidigital number, since it uses as much as digits as its factorization.

222222012137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 222222012137 its reverse (731210222222), we get a palindrome (953432234359).

The spelling of 222222012137 in words is "two hundred twenty-two billion, two hundred twenty-two million, twelve thousand, one hundred thirty-seven".