622324387 has 2 divisors, whose sum is σ = 622324388. Its totient is φ = 622324386.

The previous prime is 622324291. The next prime is 622324393. The reversal of 622324387 is 783423226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622324387 - 2¹⁵ = 622291619 is a prime.

It is not a weakly prime, because it can be changed into another prime (622324187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311162193 + 311162194.

It is an arithmetic number, because the mean of its divisors is an integer number (311162194).

Almost surely, 2^622324387 is an apocalyptic number.

622324387 is a deficient number, since it is larger than the sum of its proper divisors (1).

622324387 is an equidigital number, since it uses as much as digits as its factorization.

622324387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 622324387 is about 24946.4303458431. The cubic root of 622324387 is about 853.7661657986.

The spelling of 622324387 in words is "six hundred twenty-two million, three hundred twenty-four thousand, three hundred eighty-seven".