422013400 has 48 divisors (see below), whose sum is σ = 986253840. Its totient is φ = 167932800.

The previous prime is 422013373. The next prime is 422013439. The reversal of 422013400 is 4310224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34045 + ... + 44755.

It is an arithmetic number, because the mean of its divisors is an integer number (20546955).

Almost surely, 2^422013400 is an apocalyptic number.

422013400 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 422013400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493126920).

422013400 is an abundant number, since it is smaller than the sum of its proper divisors (564240440).

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

422013400 is a wasteful number, since it uses less digits than its factorization.

422013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924 (or 10915 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 422013400 is about 20542.9647324820. The cubic root of 422013400 is about 750.0820058479.

Adding to 422013400 its reverse (4310224), we get a palindrome (426323624).

The spelling of 422013400 in words is "four hundred twenty-two million, thirteen thousand, four hundred".