810422444 has 12 divisors (see below), whose sum is σ = 1527334704. Its totient is φ = 374041104.

The previous prime is 810422423. The next prime is 810422449. The reversal of 810422444 is 444224018.

It is not an unprimeable number, because it can be changed into a prime (810422449) 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 3 ways as a sum of consecutive naturals, for example, 7792472 + ... + 7792575.

It is an arithmetic number, because the mean of its divisors is an integer number (127277892).

Almost surely, 2^810422444 is an apocalyptic number.

It is an amenable number.

810422444 is a deficient number, since it is larger than the sum of its proper divisors (716912260).

810422444 is a wasteful number, since it uses less digits than its factorization.

810422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585064 (or 15585062 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 810422444 is about 28467.9195586892. The cubic root of 810422444 is about 932.3317769220.

The spelling of 810422444 in words is "eight hundred ten million, four hundred twenty-two thousand, four hundred forty-four".