422460728 has 16 divisors (see below), whose sum is σ = 803937480. Its totient is φ = 208077408.

The previous prime is 422460713. The next prime is 422460749. The reversal of 422460728 is 827064224.

It is a happy number.

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, 393551 + ... + 394622.

Almost surely, 2^422460728 is an apocalyptic number.

It is an amenable number.

422460728 is a deficient number, since it is larger than the sum of its proper divisors (381476752).

422460728 is a wasteful number, since it uses less digits than its factorization.

422460728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788246 (or 788242 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 422460728 is about 20553.8494691384. The cubic root of 422460728 is about 750.3469375618.

The spelling of 422460728 in words is "four hundred twenty-two million, four hundred sixty thousand, seven hundred twenty-eight".