422320448 has 56 divisors (see below), whose sum is σ = 962375520. Its totient is φ = 181854720.

The previous prime is 422320433. The next prime is 422320453. The reversal of 422320448 is 844023224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 422320448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411 + ... + 29162.

Almost surely, 2^422320448 is an apocalyptic number.

It is an amenable number.

422320448 is an abundant number, since it is smaller than the sum of its proper divisors (540055072).

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

422320448 is a wasteful number, since it uses less digits than its factorization.

422320448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31615 (or 31605 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 422320448 is about 20550.4366863578. The cubic root of 422320448 is about 750.2638763333.

The spelling of 422320448 in words is "four hundred twenty-two million, three hundred twenty thousand, four hundred forty-eight".