422321220220 has 48 divisors (see below), whose sum is σ = 897735436416. Its totient is φ = 166867520000.

The previous prime is 422321220199. The next prime is 422321220227. The reversal of 422321220220 is 22022123224.

It is a junction number, because it is equal to n+sod(n) for n = 422321220191 and 422321220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422321220227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628080 + ... + 1113160.

It is an arithmetic number, because the mean of its divisors is an integer number (18702821592).

Almost surely, 2^422321220220 is an apocalyptic number.

It is an amenable number.

422321220220 is an abundant number, since it is smaller than the sum of its proper divisors (475414216196).

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

422321220220 is a wasteful number, since it uses less digits than its factorization.

422321220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485622 (or 485620 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 422321220220 its reverse (22022123224), we get a palindrome (444343343444).

The spelling of 422321220220 in words is "four hundred twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, two hundred twenty".