422783812 has 48 divisors (see below), whose sum is σ = 863569728. Its totient is φ = 178974720.

The previous prime is 422783789. The next prime is 422783819. The reversal of 422783812 is 218387224.

It is not an unprimeable number, because it can be changed into a prime (422783819) 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, 69643 + ... + 75469.

It is an arithmetic number, because the mean of its divisors is an integer number (17991036).

Almost surely, 2^422783812 is an apocalyptic number.

It is an amenable number.

422783812 is an abundant number, since it is smaller than the sum of its proper divisors (440785916).

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

422783812 is a wasteful number, since it uses less digits than its factorization.

422783812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956 (or 5954 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 422783812 is about 20561.7074193755. The cubic root of 422783812 is about 750.5381689991.

The spelling of 422783812 in words is "four hundred twenty-two million, seven hundred eighty-three thousand, eight hundred twelve".