422400404224 has 18 divisors (see below), whose sum is σ = 843150807380. Its totient is φ = 211200201984.

The previous prime is 422400404213. The next prime is 422400404243. The reversal of 422400404224 is 422404004224.

It is a junction number, because it is equal to n+sod(n) for n = 422400404192 and 422400404201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825000534 + ... + 825001045.

Almost surely, 2^422400404224 is an apocalyptic number.

It is an amenable number.

422400404224 is a deficient number, since it is larger than the sum of its proper divisors (420750403156).

422400404224 is an equidigital number, since it uses as much as digits as its factorization.

422400404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650001595 (or 1650001581 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 422400404224 its reverse (422404004224), we get a palindrome (844804408448).

The spelling of 422400404224 in words is "four hundred twenty-two billion, four hundred million, four hundred four thousand, two hundred twenty-four".