422200220 has 24 divisors (see below), whose sum is σ = 954822624. Its totient is φ = 155889216.

The previous prime is 422200211. The next prime is 422200231. The reversal of 422200220 is 22002224.

It is a junction number, because it is equal to n+sod(n) for n = 422200195 and 422200204.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 811664 + ... + 812183.

It is an arithmetic number, because the mean of its divisors is an integer number (39784276).

Almost surely, 2^422200220 is an apocalyptic number.

It is an amenable number.

422200220 is an abundant number, since it is smaller than the sum of its proper divisors (532622404).

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

422200220 is a wasteful number, since it uses less digits than its factorization.

422200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623869 (or 1623867 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 422200220 is about 20547.5112848247. The cubic root of 422200220 is about 750.1926734613.

Adding to 422200220 its reverse (22002224), we get a palindrome (444202444).

The spelling of 422200220 in words is "four hundred twenty-two million, two hundred thousand, two hundred twenty".