220330422 has 64 divisors (see below), whose sum is σ = 555072000. Its totient is φ = 64221984.

The previous prime is 220330417. The next prime is 220330457. The reversal of 220330422 is 224033022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220330395 and 220330404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5079 + ... + 21597.

It is an arithmetic number, because the mean of its divisors is an integer number (8673000).

Almost surely, 2^220330422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220330422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277536000).

220330422 is an abundant number, since it is smaller than the sum of its proper divisors (334741578).

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

220330422 is a wasteful number, since it uses less digits than its factorization.

220330422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16562 (or 16556 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220330422 is about 14843.5313183892. The cubic root of 220330422 is about 603.9831490262.

Adding to 220330422 its reverse (224033022), we get a palindrome (444363444).

The spelling of 220330422 in words is "two hundred twenty million, three hundred thirty thousand, four hundred twenty-two".