422384809 has 16 divisors (see below), whose sum is σ = 527063040. Its totient is φ = 328847760.

The previous prime is 422384791. The next prime is 422384813. The reversal of 422384809 is 908483224.

It is a cyclic number.

It is not a de Polignac number, because 422384809 - 2⁵ = 422384777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422382809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157522 + ... + 160180.

It is an arithmetic number, because the mean of its divisors is an integer number (32941440).

Almost surely, 2^422384809 is an apocalyptic number.

It is an amenable number.

422384809 is a deficient number, since it is larger than the sum of its proper divisors (104678231).

422384809 is a wasteful number, since it uses less digits than its factorization.

422384809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 422384809 is about 20552.0025544958. The cubic root of 422384809 is about 750.3019874255.

The spelling of 422384809 in words is "four hundred twenty-two million, three hundred eighty-four thousand, eight hundred nine".