622416407 has 2 divisors, whose sum is σ = 622416408. Its totient is φ = 622416406.

The previous prime is 622416401. The next prime is 622416437. The reversal of 622416407 is 704614226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622416407 - 2⁶ = 622416343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622416401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311208203 + 311208204.

It is an arithmetic number, because the mean of its divisors is an integer number (311208204).

Almost surely, 2^622416407 is an apocalyptic number.

622416407 is a deficient number, since it is larger than the sum of its proper divisors (1).

622416407 is an equidigital number, since it uses as much as digits as its factorization.

622416407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 622416407 is about 24948.2746297214. The cubic root of 622416407 is about 853.8082444381.

The spelling of 622416407 in words is "six hundred twenty-two million, four hundred sixteen thousand, four hundred seven".