810894044222 has 8 divisors (see below), whose sum is σ = 1217947859976. Its totient is φ = 404911424232.

The previous prime is 810894044221. The next prime is 810894044227. The reversal of 810894044222 is 222440498018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810894044221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267797048 + ... + 267800075.

It is an arithmetic number, because the mean of its divisors is an integer number (152243482497).

Almost surely, 2^810894044222 is an apocalyptic number.

810894044222 is a deficient number, since it is larger than the sum of its proper divisors (407053815754).

810894044222 is a wasteful number, since it uses less digits than its factorization.

810894044222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535597882.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 810894044222 in words is "eight hundred ten billion, eight hundred ninety-four million, forty-four thousand, two hundred twenty-two".