422430163 has 2 divisors, whose sum is σ = 422430164. Its totient is φ = 422430162.

The previous prime is 422430157. The next prime is 422430179. The reversal of 422430163 is 361034224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422430163 - 2¹³ = 422421971 is a prime.

It is a super-2 number, since 2×422430163² = 356894485224413138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422430133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211215081 + 211215082.

It is an arithmetic number, because the mean of its divisors is an integer number (211215082).

Almost surely, 2^422430163 is an apocalyptic number.

422430163 is a deficient number, since it is larger than the sum of its proper divisors (1).

422430163 is an equidigital number, since it uses as much as digits as its factorization.

422430163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 422430163 is about 20553.1059210038. The cubic root of 422430163 is about 750.3288412783.

Adding to 422430163 its reverse (361034224), we get a palindrome (783464387).

The spelling of 422430163 in words is "four hundred twenty-two million, four hundred thirty thousand, one hundred sixty-three".