812304822 has 32 divisors (see below), whose sum is σ = 1875089664. Its totient is φ = 229788000.

The previous prime is 812304821. The next prime is 812304839. The reversal of 812304822 is 228403218.

812304822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 812304822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812304821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91504 + ... + 99987.

It is an arithmetic number, because the mean of its divisors is an integer number (58596552).

Almost surely, 2^812304822 is an apocalyptic number.

812304822 is an abundant number, since it is smaller than the sum of its proper divisors (1062784842).

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

812304822 is a wasteful number, since it uses less digits than its factorization.

812304822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191604.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 812304822 is about 28500.9617732455. The cubic root of 812304822 is about 933.0530648552.

The spelling of 812304822 in words is "eight hundred twelve million, three hundred four thousand, eight hundred twenty-two".