422379921056 has 48 divisors (see below), whose sum is σ = 861003108000. Its totient is φ = 203725471488.

The previous prime is 422379921037. The next prime is 422379921071. The reversal of 422379921056 is 650129973224.

It is a happy number.

It is a super-2 number, since 2×422379921056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422379920995 and 422379921013.

It is an unprimeable number.

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, 839495 + ... + 1244793.

It is an arithmetic number, because the mean of its divisors is an integer number (17937564750).

Almost surely, 2^422379921056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422379921056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430501554000).

422379921056 is an abundant number, since it is smaller than the sum of its proper divisors (438623186944).

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

422379921056 is a wasteful number, since it uses less digits than its factorization.

422379921056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406461 (or 406453 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 422379921056 in words is "four hundred twenty-two billion, three hundred seventy-nine million, nine hundred twenty-one thousand, fifty-six".