222466666897 has 2 divisors, whose sum is σ = 222466666898. Its totient is φ = 222466666896.

The previous prime is 222466666859. The next prime is 222466666957. The reversal of 222466666897 is 798666664222.

222466666897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217887302656 + 4579364241 = 466784^2 + 67671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222466666897 is a prime.

It is not a weakly prime, because it can be changed into another prime (222466666847) 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, 111233333448 + 111233333449.

It is an arithmetic number, because the mean of its divisors is an integer number (111233333449).

Almost surely, 2^222466666897 is an apocalyptic number.

It is an amenable number.

222466666897 is a deficient number, since it is larger than the sum of its proper divisors (1).

222466666897 is an equidigital number, since it uses as much as digits as its factorization.

222466666897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 64.

The spelling of 222466666897 in words is "two hundred twenty-two billion, four hundred sixty-six million, six hundred sixty-six thousand, eight hundred ninety-seven".