222311012717 has 2 divisors, whose sum is σ = 222311012718. Its totient is φ = 222311012716.

The previous prime is 222311012699. The next prime is 222311012719. The reversal of 222311012717 is 717210113222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128372440681 + 93938572036 = 358291^2 + 306494^2 .

It is a cyclic number.

It is not a de Polignac number, because 222311012717 - 2¹⁰ = 222311011693 is a prime.

Together with 222311012719, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222311012717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222311012719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111155506358 + 111155506359.

It is an arithmetic number, because the mean of its divisors is an integer number (111155506359).

Almost surely, 2^222311012717 is an apocalyptic number.

It is an amenable number.

222311012717 is a deficient number, since it is larger than the sum of its proper divisors (1).

222311012717 is an equidigital number, since it uses as much as digits as its factorization.

222311012717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 222311012717 its reverse (717210113222), we get a palindrome (939521125939).

The spelling of 222311012717 in words is "two hundred twenty-two billion, three hundred eleven million, twelve thousand, seven hundred seventeen".