8635222313 has 2 divisors, whose sum is σ = 8635222314. Its totient is φ = 8635222312.

The previous prime is 8635222261. The next prime is 8635222363. The reversal of 8635222313 is 3132225368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8341716889 + 293505424 = 91333^2 + 17132^2 .

It is a cyclic number.

It is not a de Polignac number, because 8635222313 - 2²⁴ = 8618445097 is a prime.

It is not a weakly prime, because it can be changed into another prime (8635222363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4317611156 + 4317611157.

It is an arithmetic number, because the mean of its divisors is an integer number (4317611157).

Almost surely, 2^8635222313 is an apocalyptic number.

It is an amenable number.

8635222313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8635222313 is an equidigital number, since it uses as much as digits as its factorization.

8635222313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 8635222313 is about 92925.8968910174. The cubic root of 8635222313 is about 2051.5928380401.

The spelling of 8635222313 in words is "eight billion, six hundred thirty-five million, two hundred twenty-two thousand, three hundred thirteen".