422333220 has 48 divisors (see below), whose sum is σ = 1187480448. Its totient is φ = 112151040.

The previous prime is 422333209. The next prime is 422333231. The reversal of 422333220 is 22333224.

It is an interprime number because it is at equal distance from previous prime (422333209) and next prime (422333231).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144 + ... + 29063.

It is an arithmetic number, because the mean of its divisors is an integer number (24739176).

Almost surely, 2^422333220 is an apocalyptic number.

It is an amenable number.

422333220 is an abundant number, since it is smaller than the sum of its proper divisors (765147228).

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

422333220 is a wasteful number, since it uses less digits than its factorization.

422333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29460 (or 29458 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 422333220 is about 20550.7474316629. The cubic root of 422333220 is about 750.2714395267.

Adding to 422333220 its reverse (22333224), we get a palindrome (444666444).

The spelling of 422333220 in words is "four hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty".