422318880 has 192 divisors, whose sum is σ = 1529539200. Its totient is φ = 108702720.

The previous prime is 422318861. The next prime is 422318881. The reversal of 422318880 is 88813224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422318881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123595 + ... + 126965.

It is an arithmetic number, because the mean of its divisors is an integer number (7966350).

Almost surely, 2^422318880 is an apocalyptic number.

422318880 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 422318880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764769600).

422318880 is an abundant number, since it is smaller than the sum of its proper divisors (1107220320).

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

422318880 is a wasteful number, since it uses less digits than its factorization.

422318880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 422318880 is about 20550.3985362815. The cubic root of 422318880 is about 750.2629478005.

The spelling of 422318880 in words is "four hundred twenty-two million, three hundred eighteen thousand, eight hundred eighty".