422430220 has 12 divisors (see below), whose sum is σ = 887103504. Its totient is φ = 168972080.

The previous prime is 422430209. The next prime is 422430227. The reversal of 422430220 is 22034224.

It is not an unprimeable number, because it can be changed into a prime (422430227) 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 in 3 ways as a sum of consecutive naturals, for example, 10560736 + ... + 10560775.

It is an arithmetic number, because the mean of its divisors is an integer number (73925292).

Almost surely, 2^422430220 is an apocalyptic number.

It is an amenable number.

422430220 is an abundant number, since it is smaller than the sum of its proper divisors (464673284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422430220 is a wasteful number, since it uses less digits than its factorization.

422430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121520 (or 21121518 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 422430220 is about 20553.1073076555. The cubic root of 422430220 is about 750.3288750265.

Adding to 422430220 its reverse (22034224), we get a palindrome (444464444).

The spelling of 422430220 in words is "four hundred twenty-two million, four hundred thirty thousand, two hundred twenty".