5645222017 has 2 divisors, whose sum is σ = 5645222018. Its totient is φ = 5645222016.

The previous prime is 5645221961. The next prime is 5645222081. The reversal of 5645222017 is 7102225465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3740423281 + 1904798736 = 61159^2 + 43644^2 .

It is a cyclic number.

It is not a de Polignac number, because 5645222017 - 2⁷ = 5645221889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5645222087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822611008 + 2822611009.

It is an arithmetic number, because the mean of its divisors is an integer number (2822611009).

Almost surely, 2^5645222017 is an apocalyptic number.

It is an amenable number.

5645222017 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645222017 is an equidigital number, since it uses as much as digits as its factorization.

5645222017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 5645222017 is about 75134.6924995371. The cubic root of 5645222017 is about 1780.5752903136.

The spelling of 5645222017 in words is "five billion, six hundred forty-five million, two hundred twenty-two thousand, seventeen".