2216313317 has 2 divisors, whose sum is σ = 2216313318. Its totient is φ = 2216313316.

The previous prime is 2216313299. The next prime is 2216313389. The reversal of 2216313317 is 7133136122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1605284356 + 611028961 = 40066^2 + 24719^2 .

It is a cyclic number.

It is not a de Polignac number, because 2216313317 - 2²⁰ = 2215264741 is a prime.

It is a super-2 number, since 2×2216313317² = 9824089438223084978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2216313317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216313017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108156658 + 1108156659.

It is an arithmetic number, because the mean of its divisors is an integer number (1108156659).

It is a self-describing number.

Almost surely, 2^2216313317 is an apocalyptic number.

It is an amenable number.

2216313317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216313317 is an equidigital number, since it uses as much as digits as its factorization.

2216313317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 2216313317 is about 47077.7369570798. The cubic root of 2216313317 is about 1303.7982246183.

Adding to 2216313317 its reverse (7133136122), we get a palindrome (9349449439).

The spelling of 2216313317 in words is "two billion, two hundred sixteen million, three hundred thirteen thousand, three hundred seventeen".