812037822 has 16 divisors (see below), whose sum is σ = 1636474752. Its totient is φ = 268612760.

The previous prime is 812037817. The next prime is 812037833. The reversal of 812037822 is 228730218.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515778 + ... + 517349.

It is an arithmetic number, because the mean of its divisors is an integer number (102279672).

Almost surely, 2^812037822 is an apocalyptic number.

812037822 is an abundant number, since it is smaller than the sum of its proper divisors (824436930).

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

812037822 is a wasteful number, since it uses less digits than its factorization.

812037822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033263.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 812037822 is about 28496.2773358206. The cubic root of 812037822 is about 932.9508238976.

The spelling of 812037822 in words is "eight hundred twelve million, thirty-seven thousand, eight hundred twenty-two".