622325393 has 2 divisors, whose sum is σ = 622325394. Its totient is φ = 622325392.

The previous prime is 622325387. The next prime is 622325401. The reversal of 622325393 is 393523226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397085329 + 225240064 = 19927^2 + 15008^2 .

It is a cyclic number.

It is not a de Polignac number, because 622325393 - 2²² = 618131089 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (622325303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311162696 + 311162697.

It is an arithmetic number, because the mean of its divisors is an integer number (311162697).

Almost surely, 2^622325393 is an apocalyptic number.

It is an amenable number.

622325393 is a deficient number, since it is larger than the sum of its proper divisors (1).

622325393 is an equidigital number, since it uses as much as digits as its factorization.

622325393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 35.

The square root of 622325393 is about 24946.4505090404. The cubic root of 622325393 is about 853.7666258418.

The spelling of 622325393 in words is "six hundred twenty-two million, three hundred twenty-five thousand, three hundred ninety-three".