2005822 has 32 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 778464.

The previous prime is 2005799. The next prime is 2005831. The reversal of 2005822 is 2285002.

It is a self number, because there is not a number n which added to its sum of digits gives 2005822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18693 + ... + 18799.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

2^2005822 is an apocalyptic number.

2005822 is a deficient number, since it is larger than the sum of its proper divisors (1768130).

2005822 is a wasteful number, since it uses less digits than its factorization.

2005822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2005822 is about 1416.2704543977. The cubic root of 2005822 is about 126.1142408927.

The spelling of 2005822 in words is "two million, five thousand, eight hundred twenty-two".