250222666345901 has 2 divisors, whose sum is σ = 250222666345902. Its totient is φ = 250222666345900.

The previous prime is 250222666345837. The next prime is 250222666346017. The reversal of 250222666345901 is 109543666222052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216299555179876 + 33923111166025 = 14707126^2 + 5824355^2 .

It is a cyclic number.

It is not a de Polignac number, because 250222666345901 - 2⁶ = 250222666345837 is a prime.

It is a super-2 number, since 2×250222666345901² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250222666345801) 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, 125111333172950 + 125111333172951.

It is an arithmetic number, because the mean of its divisors is an integer number (125111333172951).

Almost surely, 2^{250222666345901} is an apocalyptic number.

It is an amenable number.

250222666345901 is a deficient number, since it is larger than the sum of its proper divisors (1).

250222666345901 is an equidigital number, since it uses as much as digits as its factorization.

250222666345901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 250222666345901 in words is "two hundred fifty trillion, two hundred twenty-two billion, six hundred sixty-six million, three hundred forty-five thousand, nine hundred one".