422910563 has 2 divisors, whose sum is σ = 422910564. Its totient is φ = 422910562.

The previous prime is 422910511. The next prime is 422910583. The reversal of 422910563 is 365019224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422910563 - 2¹⁴ = 422894179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (422910503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211455281 + 211455282.

It is an arithmetic number, because the mean of its divisors is an integer number (211455282).

Almost surely, 2^422910563 is an apocalyptic number.

422910563 is a deficient number, since it is larger than the sum of its proper divisors (1).

422910563 is an equidigital number, since it uses as much as digits as its factorization.

422910563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 422910563 is about 20564.7893983867. The cubic root of 422910563 is about 750.6131655304.

Adding to 422910563 its reverse (365019224), we get a palindrome (787929787).

The spelling of 422910563 in words is "four hundred twenty-two million, nine hundred ten thousand, five hundred sixty-three".