422313220 has 24 divisors (see below), whose sum is σ = 1013552064. Its totient is φ = 144793056.

The previous prime is 422313193. The next prime is 422313253. The reversal of 422313220 is 22313224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508122 + ... + 1508401.

It is an arithmetic number, because the mean of its divisors is an integer number (42231336).

Almost surely, 2^422313220 is an apocalyptic number.

It is an amenable number.

422313220 is an abundant number, since it is smaller than the sum of its proper divisors (591238844).

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

422313220 is a wasteful number, since it uses less digits than its factorization.

422313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016539 (or 3016537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 422313220 is about 20550.2608255954. The cubic root of 422313220 is about 750.2595960621.

Adding to 422313220 its reverse (22313224), we get a palindrome (444626444).

It can be divided in two parts, 42231 and 3220, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 422313220 in words is "four hundred twenty-two million, three hundred thirteen thousand, two hundred twenty".