22052565217 has 2 divisors, whose sum is σ = 22052565218. Its totient is φ = 22052565216.

The previous prime is 22052565181. The next prime is 22052565233. The reversal of 22052565217 is 71256525022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11493769681 + 10558795536 = 107209^2 + 102756^2 .

It is a cyclic number.

It is not a de Polignac number, because 22052565217 - 2⁷ = 22052565089 is a prime.

It is not a weakly prime, because it can be changed into another prime (22052565247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026282608 + 11026282609.

It is an arithmetic number, because the mean of its divisors is an integer number (11026282609).

Almost surely, 2^22052565217 is an apocalyptic number.

It is an amenable number.

22052565217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052565217 is an equidigital number, since it uses as much as digits as its factorization.

22052565217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 22052565217 in words is "twenty-two billion, fifty-two million, five hundred sixty-five thousand, two hundred seventeen".