422450563 has 2 divisors, whose sum is σ = 422450564. Its totient is φ = 422450562.

The previous prime is 422450521. The next prime is 422450599. The reversal of 422450563 is 365054224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422450563 is a prime.

It is not a weakly prime, because it can be changed into another prime (422450513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211225281 + 211225282.

It is an arithmetic number, because the mean of its divisors is an integer number (211225282).

Almost surely, 2^422450563 is an apocalyptic number.

422450563 is a deficient number, since it is larger than the sum of its proper divisors (1).

422450563 is an equidigital number, since it uses as much as digits as its factorization.

422450563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 422450563 is about 20553.6021903704. The cubic root of 422450563 is about 750.3409193789.

The spelling of 422450563 in words is "four hundred twenty-two million, four hundred fifty thousand, five hundred sixty-three".