222002221169 has 2 divisors, whose sum is σ = 222002221170. Its totient is φ = 222002221168.

The previous prime is 222002221159. The next prime is 222002221219. The reversal of 222002221169 is 961122200222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118873248400 + 103128972769 = 344780^2 + 321137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222002221169 is a prime.

It is a super-2 number, since 2×222002221169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222002221159) 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, 111001110584 + 111001110585.

It is an arithmetic number, because the mean of its divisors is an integer number (111001110585).

Almost surely, 2^222002221169 is an apocalyptic number.

It is an amenable number.

222002221169 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002221169 is an equidigital number, since it uses as much as digits as its factorization.

222002221169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 222002221169 in words is "two hundred twenty-two billion, two million, two hundred twenty-one thousand, one hundred sixty-nine".