422844816 has 40 divisors (see below), whose sum is σ = 1093089760. Its totient is φ = 140852736.

The previous prime is 422844797. The next prime is 422844817. The reversal of 422844816 is 618448224.

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

It is not an unprimeable number, because it can be changed into a prime (422844817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125976 + ... + 129288.

It is an arithmetic number, because the mean of its divisors is an integer number (27327244).

Almost surely, 2^422844816 is an apocalyptic number.

It is an amenable number.

422844816 is an abundant number, since it is smaller than the sum of its proper divisors (670244944).

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

422844816 is a wasteful number, since it uses less digits than its factorization.

422844816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983 (or 5977 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 422844816 is about 20563.1908029858. The cubic root of 422844816 is about 750.5742659570.

It can be divided in two parts, 422844 and 816, that added together give a triangular number (423660 = T₉₂₀).

The spelling of 422844816 in words is "four hundred twenty-two million, eight hundred forty-four thousand, eight hundred sixteen".