222122312317 has 2 divisors, whose sum is σ = 222122312318. Its totient is φ = 222122312316.

The previous prime is 222122312309. The next prime is 222122312329. The reversal of 222122312317 is 713213221222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221496361956 + 625950361 = 470634^2 + 25019^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122312317 - 2³ = 222122312309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122312017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061156158 + 111061156159.

It is an arithmetic number, because the mean of its divisors is an integer number (111061156159).

Almost surely, 2^222122312317 is an apocalyptic number.

It is an amenable number.

222122312317 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122312317 is an equidigital number, since it uses as much as digits as its factorization.

222122312317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

Adding to 222122312317 its reverse (713213221222), we get a palindrome (935335533539).

The spelling of 222122312317 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twelve thousand, three hundred seventeen".