422888208 has 80 divisors (see below), whose sum is σ = 1134302400. Its totient is φ = 135600640.

The previous prime is 422888201. The next prime is 422888231. The reversal of 422888208 is 802888224.

It is a self number, because there is not a number n which added to its sum of digits gives 422888208.

It is not an unprimeable number, because it can be changed into a prime (422888201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641383 + ... + 642041.

It is an arithmetic number, because the mean of its divisors is an integer number (14178780).

Almost surely, 2^422888208 is an apocalyptic number.

422888208 is a gapful number since it is divisible by the number (48) 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 422888208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567151200).

422888208 is an abundant number, since it is smaller than the sum of its proper divisors (711414192).

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

422888208 is a wasteful number, since it uses less digits than its factorization.

422888208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 422888208 is about 20564.2458650931. The cubic root of 422888208 is about 750.5999395244.

The spelling of 422888208 in words is "four hundred twenty-two million, eight hundred eighty-eight thousand, two hundred eight".