422322401020 has 24 divisors (see below), whose sum is σ = 955098353664. Its totient is φ = 155934424896.

The previous prime is 422322401003. The next prime is 422322401021. The reversal of 422322401020 is 20104223224.

It is a junction number, because it is equal to n+sod(n) for n = 422322400982 and 422322401000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422322401021) 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 7 ways as a sum of consecutive naturals, for example, 812158204 + ... + 812158723.

It is an arithmetic number, because the mean of its divisors is an integer number (39795764736).

Almost surely, 2^422322401020 is an apocalyptic number.

It is an amenable number.

422322401020 is an abundant number, since it is smaller than the sum of its proper divisors (532775952644).

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

422322401020 is a wasteful number, since it uses less digits than its factorization.

422322401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624316949 (or 1624316947 counting only the distinct ones).

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

Adding to 422322401020 its reverse (20104223224), we get a palindrome (442426624244).

The spelling of 422322401020 in words is "four hundred twenty-two billion, three hundred twenty-two million, four hundred one thousand, twenty".