622216207 has 2 divisors, whose sum is σ = 622216208. Its totient is φ = 622216206.

The previous prime is 622216193. The next prime is 622216213. The reversal of 622216207 is 702612226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622216207 - 2¹⁵ = 622183439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622216247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311108103 + 311108104.

It is an arithmetic number, because the mean of its divisors is an integer number (311108104).

Almost surely, 2^622216207 is an apocalyptic number.

622216207 is a deficient number, since it is larger than the sum of its proper divisors (1).

622216207 is an equidigital number, since it uses as much as digits as its factorization.

622216207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 622216207 is about 24944.2620055194. The cubic root of 622216207 is about 853.7166922560.

The spelling of 622216207 in words is "six hundred twenty-two million, two hundred sixteen thousand, two hundred seven".