222660414553897 has 2 divisors, whose sum is σ = 222660414553898. Its totient is φ = 222660414553896.

The previous prime is 222660414553823. The next prime is 222660414553901. The reversal of 222660414553897 is 798355414066222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176741576547561 + 45918838006336 = 13294419^2 + 6776344^2 .

It is a cyclic number.

It is not a de Polignac number, because 222660414553897 - 2¹¹ = 222660414551849 is a prime.

It is not a weakly prime, because it can be changed into another prime (222660414553807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111330207276948 + 111330207276949.

It is an arithmetic number, because the mean of its divisors is an integer number (111330207276949).

It is a 1-persistent number, because it is pandigital, but 2⋅222660414553897 = 445320829107794 is not.

Almost surely, 2^{222660414553897} is an apocalyptic number.

It is an amenable number.

222660414553897 is a deficient number, since it is larger than the sum of its proper divisors (1).

222660414553897 is an equidigital number, since it uses as much as digits as its factorization.

222660414553897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174182400, while the sum is 64.

The spelling of 222660414553897 in words is "two hundred twenty-two trillion, six hundred sixty billion, four hundred fourteen million, five hundred fifty-three thousand, eight hundred ninety-seven".