622252125217 has 2 divisors, whose sum is σ = 622252125218. Its totient is φ = 622252125216.

The previous prime is 622252125133. The next prime is 622252125239. The reversal of 622252125217 is 712521252226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441521709841 + 180730415376 = 664471^2 + 425124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622252125217 is a prime.

It is not a weakly prime, because it can be changed into another prime (622252125277) 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, 311126062608 + 311126062609.

It is an arithmetic number, because the mean of its divisors is an integer number (311126062609).

Almost surely, 2^622252125217 is an apocalyptic number.

It is an amenable number.

622252125217 is a deficient number, since it is larger than the sum of its proper divisors (1).

622252125217 is an equidigital number, since it uses as much as digits as its factorization.

622252125217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The spelling of 622252125217 in words is "six hundred twenty-two billion, two hundred fifty-two million, one hundred twenty-five thousand, two hundred seventeen".