622801243817 has 2 divisors, whose sum is σ = 622801243818. Its totient is φ = 622801243816.

The previous prime is 622801243759. The next prime is 622801243819. The reversal of 622801243817 is 718342108226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622617261721 + 183982096 = 789061^2 + 13564^2 .

It is a cyclic number.

It is not a de Polignac number, because 622801243817 - 2²² = 622797049513 is a prime.

Together with 622801243819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (622801243819) 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, 311400621908 + 311400621909.

It is an arithmetic number, because the mean of its divisors is an integer number (311400621909).

Almost surely, 2^622801243817 is an apocalyptic number.

It is an amenable number.

622801243817 is a deficient number, since it is larger than the sum of its proper divisors (1).

622801243817 is an equidigital number, since it uses as much as digits as its factorization.

622801243817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 622801243817 in words is "six hundred twenty-two billion, eight hundred one million, two hundred forty-three thousand, eight hundred seventeen".