422344032220 has 48 divisors (see below), whose sum is σ = 970703572608. Its totient is φ = 153079364160.

The previous prime is 422344032169. The next prime is 422344032223. The reversal of 422344032220 is 22230443224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422344032223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3059082 + ... + 3194161.

It is an arithmetic number, because the mean of its divisors is an integer number (20222991096).

Almost surely, 2^422344032220 is an apocalyptic number.

It is an amenable number.

422344032220 is an abundant number, since it is smaller than the sum of its proper divisors (548359540388).

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

422344032220 is a wasteful number, since it uses less digits than its factorization.

422344032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253570 (or 6253568 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 422344032220 its reverse (22230443224), we get a palindrome (444574475444).

The spelling of 422344032220 in words is "four hundred twenty-two billion, three hundred forty-four million, thirty-two thousand, two hundred twenty".