222077660363789 has 2 divisors, whose sum is σ = 222077660363790. Its totient is φ = 222077660363788.

The previous prime is 222077660363771. The next prime is 222077660363813. The reversal of 222077660363789 is 987363066770222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147796101608164 + 74281558755625 = 12157142^2 + 8618675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222077660363789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222077660363089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111038830181894 + 111038830181895.

It is an arithmetic number, because the mean of its divisors is an integer number (111038830181895).

Almost surely, 2^{222077660363789} is an apocalyptic number.

It is an amenable number.

222077660363789 is a deficient number, since it is larger than the sum of its proper divisors (1).

222077660363789 is an equidigital number, since it uses as much as digits as its factorization.

222077660363789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384072192, while the sum is 68.

The spelling of 222077660363789 in words is "two hundred twenty-two trillion, seventy-seven billion, six hundred sixty million, three hundred sixty-three thousand, seven hundred eighty-nine".