222539117 has 2 divisors, whose sum is σ = 222539118. Its totient is φ = 222539116.

The previous prime is 222539003. The next prime is 222539123. The reversal of 222539117 is 711935222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212984836 + 9554281 = 14594^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 222539117 - 2¹⁰ = 222538093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222539167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111269558 + 111269559.

It is an arithmetic number, because the mean of its divisors is an integer number (111269559).

Almost surely, 2^222539117 is an apocalyptic number.

It is an amenable number.

222539117 is a deficient number, since it is larger than the sum of its proper divisors (1).

222539117 is an equidigital number, since it uses as much as digits as its factorization.

222539117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 222539117 is about 14917.7450373708. The cubic root of 222539117 is about 605.9946455394.

The spelling of 222539117 in words is "two hundred twenty-two million, five hundred thirty-nine thousand, one hundred seventeen".