422400224 has 24 divisors (see below), whose sum is σ = 880519248. Its totient is φ = 198776320.

The previous prime is 422400211. The next prime is 422400239. The reversal of 422400224 is 422004224.

It is a junction number, because it is equal to n+sod(n) for n = 422400196 and 422400205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387692 + ... + 388779.

It is an arithmetic number, because the mean of its divisors is an integer number (36688302).

Almost surely, 2^422400224 is an apocalyptic number.

It is an amenable number.

422400224 is an abundant number, since it is smaller than the sum of its proper divisors (458119024).

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

422400224 is a wasteful number, since it uses less digits than its factorization.

422400224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776498 (or 776490 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422400224 is about 20552.3775753561. The cubic root of 422400224 is about 750.3111147775.

Adding to 422400224 its reverse (422004224), we get a palindrome (844404448).

The spelling of 422400224 in words is "four hundred twenty-two million, four hundred thousand, two hundred twenty-four".