809099222 has 8 divisors (see below), whose sum is σ = 1218371976. Its totient is φ = 402975232.

The previous prime is 809099209. The next prime is 809099227. The reversal of 809099222 is 222990908.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 809099222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809099227) 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, 786548 + ... + 787575.

It is an arithmetic number, because the mean of its divisors is an integer number (152296497).

Almost surely, 2^809099222 is an apocalyptic number.

809099222 is a deficient number, since it is larger than the sum of its proper divisors (409272754).

809099222 is a wasteful number, since it uses less digits than its factorization.

809099222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574382.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 809099222 is about 28444.6694830508. The cubic root of 809099222 is about 931.8240771122.

The spelling of 809099222 in words is "eight hundred nine million, ninety-nine thousand, two hundred twenty-two".