622662013 has 2 divisors, whose sum is σ = 622662014. Its totient is φ = 622662012.

The previous prime is 622661989. The next prime is 622662031. The reversal of 622662013 is 310266226.

It is a happy number.

622662013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (622662031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468852409 + 153809604 = 21653^2 + 12402^2 .

It is a cyclic number.

It is not a de Polignac number, because 622662013 - 2²⁵ = 589107581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622662113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311331006 + 311331007.

It is an arithmetic number, because the mean of its divisors is an integer number (311331007).

Almost surely, 2^622662013 is an apocalyptic number.

It is an amenable number.

622662013 is a deficient number, since it is larger than the sum of its proper divisors (1).

622662013 is an equidigital number, since it uses as much as digits as its factorization.

622662013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 622662013 is about 24953.1964485514. The cubic root of 622662013 is about 853.9205341361.

The spelling of 622662013 in words is "six hundred twenty-two million, six hundred sixty-two thousand, thirteen".