422238200 has 72 divisors (see below), whose sum is σ = 996309000. Its totient is φ = 166415040.

The previous prime is 422238151. The next prime is 422238233. The reversal of 422238200 is 2832224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2121701 + ... + 2121899.

It is an arithmetic number, because the mean of its divisors is an integer number (13837625).

Almost surely, 2^422238200 is an apocalyptic number.

422238200 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 422238200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498154500).

422238200 is an abundant number, since it is smaller than the sum of its proper divisors (574070800).

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

422238200 is a wasteful number, since it uses less digits than its factorization.

422238200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 422238200 is about 20548.4354635578. The cubic root of 422238200 is about 750.2151678941.

The spelling of 422238200 in words is "four hundred twenty-two million, two hundred thirty-eight thousand, two hundred".