622424563 has 2 divisors, whose sum is σ = 622424564. Its totient is φ = 622424562.

The previous prime is 622424557. The next prime is 622424669. The reversal of 622424563 is 365424226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622424563 - 2¹³ = 622416371 is a prime.

It is not a weakly prime, because it can be changed into another prime (622424533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311212281 + 311212282.

It is an arithmetic number, because the mean of its divisors is an integer number (311212282).

Almost surely, 2^622424563 is an apocalyptic number.

622424563 is a deficient number, since it is larger than the sum of its proper divisors (1).

622424563 is an equidigital number, since it uses as much as digits as its factorization.

622424563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 622424563 is about 24948.4380873833. The cubic root of 622424563 is about 853.8119737901.

Adding to 622424563 its reverse (365424226), we get a palindrome (987848789).

The spelling of 622424563 in words is "six hundred twenty-two million, four hundred twenty-four thousand, five hundred sixty-three".