422004464220 has 48 divisors (see below), whose sum is σ = 1213547979168. Its totient is φ = 109493049600.

The previous prime is 422004464213. The next prime is 422004464243. The reversal of 422004464220 is 22464400224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95043831 + ... + 95048270.

It is an arithmetic number, because the mean of its divisors is an integer number (25282249566).

Almost surely, 2^422004464220 is an apocalyptic number.

It is an amenable number.

422004464220 is an abundant number, since it is smaller than the sum of its proper divisors (791543514948).

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

422004464220 is a wasteful number, since it uses less digits than its factorization.

422004464220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190092150 (or 190092148 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 422004464220 its reverse (22464400224), we get a palindrome (444468864444).

The spelling of 422004464220 in words is "four hundred twenty-two billion, four million, four hundred sixty-four thousand, two hundred twenty".