8660222057 has 2 divisors, whose sum is σ = 8660222058. Its totient is φ = 8660222056.

The previous prime is 8660222047. The next prime is 8660222117. The reversal of 8660222057 is 7502220668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7351519081 + 1308702976 = 85741^2 + 36176^2 .

It is a cyclic number.

It is not a de Polignac number, because 8660222057 - 2⁴ = 8660222041 is a prime.

It is a super-2 number, since 2×8660222057² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8660222057.

It is not a weakly prime, because it can be changed into another prime (8660222017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4330111028 + 4330111029.

It is an arithmetic number, because the mean of its divisors is an integer number (4330111029).

Almost surely, 2^8660222057 is an apocalyptic number.

It is an amenable number.

8660222057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8660222057 is an equidigital number, since it uses as much as digits as its factorization.

8660222057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 8660222057 is about 93060.3140817825. The cubic root of 8660222057 is about 2053.5707789908.

The spelling of 8660222057 in words is "eight billion, six hundred sixty million, two hundred twenty-two thousand, fifty-seven".