422400000220 has 48 divisors (see below), whose sum is σ = 977261042016. Its totient is φ = 152079200000.

The previous prime is 422400000203. The next prime is 422400000287. The reversal of 422400000220 is 22000004224.

It is a junction number, because it is equal to n+sod(n) for n = 422400000194 and 422400000203.

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 15 ways as a sum of consecutive naturals, for example, 9482731 + ... + 9527170.

It is an arithmetic number, because the mean of its divisors is an integer number (20359605042).

Almost surely, 2^422400000220 is an apocalyptic number.

It is an amenable number.

422400000220 is an abundant number, since it is smaller than the sum of its proper divisors (554861041796).

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

422400000220 is a wasteful number, since it uses less digits than its factorization.

422400000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19010022 (or 19010020 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 422400000220 its reverse (22000004224), we get a palindrome (444400004444).

The spelling of 422400000220 in words is "four hundred twenty-two billion, four hundred million, two hundred twenty", and thus it is an aban number.