22056363517 has 2 divisors, whose sum is σ = 22056363518. Its totient is φ = 22056363516.

The previous prime is 22056363509. The next prime is 22056363523. The reversal of 22056363517 is 71536365022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19822950436 + 2233413081 = 140794^2 + 47259^2 .

It is a cyclic number.

It is not a de Polignac number, because 22056363517 - 2³ = 22056363509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22056363517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22056363547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11028181758 + 11028181759.

It is an arithmetic number, because the mean of its divisors is an integer number (11028181759).

Almost surely, 2^22056363517 is an apocalyptic number.

It is an amenable number.

22056363517 is a deficient number, since it is larger than the sum of its proper divisors (1).

22056363517 is an equidigital number, since it uses as much as digits as its factorization.

22056363517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 22056363517 in words is "twenty-two billion, fifty-six million, three hundred sixty-three thousand, five hundred seventeen".