622064251 has 2 divisors, whose sum is σ = 622064252. Its totient is φ = 622064250.

The previous prime is 622064243. The next prime is 622064257. The reversal of 622064251 is 152460226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622064251 - 2³ = 622064243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (622064257) 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, 311032125 + 311032126.

It is an arithmetic number, because the mean of its divisors is an integer number (311032126).

Almost surely, 2^622064251 is an apocalyptic number.

622064251 is a deficient number, since it is larger than the sum of its proper divisors (1).

622064251 is an equidigital number, since it uses as much as digits as its factorization.

622064251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 622064251 is about 24941.2159086120. The cubic root of 622064251 is about 853.6471891186.

The spelling of 622064251 in words is "six hundred twenty-two million, sixty-four thousand, two hundred fifty-one".