422000401000 has 192 divisors, whose sum is σ = 1051432462080. Its totient is φ = 158500275200.

The previous prime is 422000400979. The next prime is 422000401049. The reversal of 422000401000 is 104000224.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145365549 + ... + 145368451.

It is an arithmetic number, because the mean of its divisors is an integer number (5476210740).

Almost surely, 2^422000401000 is an apocalyptic number.

422000401000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422000401000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525716231040).

422000401000 is an abundant number, since it is smaller than the sum of its proper divisors (629432061080).

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

422000401000 is a wasteful number, since it uses less digits than its factorization.

422000401000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461 (or 3430 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 422000401000 its reverse (104000224), we get a palindrome (422104401224).

The spelling of 422000401000 in words is "four hundred twenty-two billion, four hundred one thousand".