2809000822 has 4 divisors (see below), whose sum is σ = 4213501236. Its totient is φ = 1404500410.

The previous prime is 2809000819. The next prime is 2809000849. The reversal of 2809000822 is 2280009082.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702250204 + ... + 702250207.

It is an arithmetic number, because the mean of its divisors is an integer number (1053375309).

Almost surely, 2^2809000822 is an apocalyptic number.

2809000822 is a deficient number, since it is larger than the sum of its proper divisors (1404500414).

2809000822 is a wasteful number, since it uses less digits than its factorization.

2809000822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404500413.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2809000822 is about 53000.0077547164. The cubic root of 2809000822 is about 1410.9684043673.

The spelling of 2809000822 in words is "two billion, eight hundred nine million, eight hundred twenty-two", and thus it is an aban number.