422430443 has 16 divisors (see below), whose sum is σ = 468348480. Its totient is φ = 379564416.

The previous prime is 422430431. The next prime is 422430451. The reversal of 422430443 is 344034224.

It is a cyclic number.

It is not a de Polignac number, because 422430443 - 2⁸ = 422430187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422430403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16121 + ... + 33237.

It is an arithmetic number, because the mean of its divisors is an integer number (29271780).

Almost surely, 2^422430443 is an apocalyptic number.

422430443 is a deficient number, since it is larger than the sum of its proper divisors (45918037).

422430443 is a wasteful number, since it uses less digits than its factorization.

422430443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17206.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 422430443 is about 20553.1127326252. The cubic root of 422430443 is about 750.3290070588.

Adding to 422430443 its reverse (344034224), we get a palindrome (766464667).

The spelling of 422430443 in words is "four hundred twenty-two million, four hundred thirty thousand, four hundred forty-three".