422502400 has 84 divisors (see below), whose sum is σ = 1048249872. Its totient is φ = 168919040.

The previous prime is 422502347. The next prime is 422502439. The reversal of 422502400 is 4205224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203769 + ... + 205831.

Almost surely, 2^422502400 is an apocalyptic number.

422502400 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 422502400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524124936).

422502400 is an abundant number, since it is smaller than the sum of its proper divisors (625747472).

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

422502400 is an equidigital number, since it uses as much as digits as its factorization.

422502400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 422502400 is about 20554.8631715222. The cubic root of 422502400 is about 750.3716084384.

Adding to 422502400 its reverse (4205224), we get a palindrome (426707624).

The spelling of 422502400 in words is "four hundred twenty-two million, five hundred two thousand, four hundred".