422099808 has 72 divisors (see below), whose sum is σ = 1199846088. Its totient is φ = 129871872.

The previous prime is 422099753. The next prime is 422099819. The reversal of 422099808 is 808990224.

It is a self number, because there is not a number n which added to its sum of digits gives 422099808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3216 + ... + 29232.

It is an arithmetic number, because the mean of its divisors is an integer number (16664529).

Almost surely, 2^422099808 is an apocalyptic number.

422099808 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 422099808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599923044).

422099808 is an abundant number, since it is smaller than the sum of its proper divisors (777746280).

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

422099808 is a wasteful number, since it uses less digits than its factorization.

422099808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056 (or 26035 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 422099808 is about 20545.0677292629. The cubic root of 422099808 is about 750.1331958993.

The spelling of 422099808 in words is "four hundred twenty-two million, ninety-nine thousand, eight hundred eight".