422444204220 has 24 divisors (see below), whose sum is σ = 1182843771984. Its totient is φ = 112651787776.

The previous prime is 422444204123. The next prime is 422444204251. The reversal of 422444204220 is 22402444224.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 3520368309 + ... + 3520368428.

It is an arithmetic number, because the mean of its divisors is an integer number (49285157166).

Almost surely, 2^422444204220 is an apocalyptic number.

It is an amenable number.

422444204220 is an abundant number, since it is smaller than the sum of its proper divisors (760399567764).

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

422444204220 is a wasteful number, since it uses less digits than its factorization.

422444204220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040736749 (or 7040736747 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 422444204220 its reverse (22402444224), we get a palindrome (444846648444).

The spelling of 422444204220 in words is "four hundred twenty-two billion, four hundred forty-four million, two hundred four thousand, two hundred twenty".