422430322 has 4 divisors (see below), whose sum is σ = 633645486. Its totient is φ = 211215160.

The previous prime is 422430319. The next prime is 422430361. The reversal of 422430322 is 223034224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 422261401 + 168921 = 20549^2 + 411^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 422430293 and 422430302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105607579 + ... + 105607582.

Almost surely, 2^422430322 is an apocalyptic number.

422430322 is a deficient number, since it is larger than the sum of its proper divisors (211215164).

422430322 is a wasteful number, since it uses less digits than its factorization.

422430322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211215163.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 422430322 is about 20553.1097890319. The cubic root of 422430322 is about 750.3289354179.

Adding to 422430322 its reverse (223034224), we get a palindrome (645464546).

The spelling of 422430322 in words is "four hundred twenty-two million, four hundred thirty thousand, three hundred twenty-two".