422644224 has 40 divisors (see below), whose sum is σ = 1125954720. Its totient is φ = 140880896.

The previous prime is 422644223. The next prime is 422644247. The reversal of 422644224 is 422446224.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 422644191 and 422644200.

It is not an unprimeable number, because it can be changed into a prime (422644223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136044 + ... + 139115.

It is an arithmetic number, because the mean of its divisors is an integer number (28148868).

Almost surely, 2^422644224 is an apocalyptic number.

It is an amenable number.

422644224 is an abundant number, since it is smaller than the sum of its proper divisors (703310496).

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

422644224 is an equidigital number, since it uses as much as digits as its factorization.

422644224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275180 (or 275164 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 422644224 is about 20558.3127712368. The cubic root of 422644224 is about 750.4555596756.

The spelling of 422644224 in words is "four hundred twenty-two million, six hundred forty-four thousand, two hundred twenty-four".