422594557800 has 384 divisors, whose sum is σ = 1408924108800. Its totient is φ = 104403087360.

The previous prime is 422594557793. The next prime is 422594557807. The reversal of 422594557800 is 8755495224.

It is an interprime number because it is at equal distance from previous prime (422594557793) and next prime (422594557807).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (422594557807) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 376308039 + ... + 376309161.

It is an arithmetic number, because the mean of its divisors is an integer number (3669073200).

Almost surely, 2^422594557800 is an apocalyptic number.

422594557800 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 422594557800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704462054400).

422594557800 is an abundant number, since it is smaller than the sum of its proper divisors (986329551000).

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

422594557800 is a wasteful number, since it uses less digits than its factorization.

422594557800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 422594557800 in words is "four hundred twenty-two billion, five hundred ninety-four million, five hundred fifty-seven thousand, eight hundred".