56222036657 has 2 divisors, whose sum is σ = 56222036658. Its totient is φ = 56222036656.

The previous prime is 56222036623. The next prime is 56222036669. The reversal of 56222036657 is 75663022265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56076134416 + 145902241 = 236804^2 + 12079^2 .

It is a cyclic number.

It is not a de Polignac number, because 56222036657 - 2⁸ = 56222036401 is a prime.

It is a super-2 number, since 2×56222036657² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56222036677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28111018328 + 28111018329.

It is an arithmetic number, because the mean of its divisors is an integer number (28111018329).

Almost surely, 2^56222036657 is an apocalyptic number.

It is an amenable number.

56222036657 is a deficient number, since it is larger than the sum of its proper divisors (1).

56222036657 is an equidigital number, since it uses as much as digits as its factorization.

56222036657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 56222036657 in words is "fifty-six billion, two hundred twenty-two million, thirty-six thousand, six hundred fifty-seven".