2204985 has 16 divisors (see below), whose sum is σ = 3735936. Its totient is φ = 1106688.

The previous prime is 2204977. The next prime is 2205001. The reversal of 2204985 is 5894022.

It is not a de Polignac number, because 2204985 - 2³ = 2204977 is a prime.

2204985 is a lucky number.

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, 4069 + ... + 4578.

It is an arithmetic number, because the mean of its divisors is an integer number (233496).

2^2204985 is an apocalyptic number.

It is an amenable number.

2204985 is a deficient number, since it is larger than the sum of its proper divisors (1530951).

2204985 is a wasteful number, since it uses less digits than its factorization.

2204985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2204985 is about 1484.9191897204. The cubic root of 2204985 is about 130.1573046480.

The spelling of 2204985 in words is "two million, two hundred four thousand, nine hundred eighty-five".