2204785 has 8 divisors (see below), whose sum is σ = 2886336. Its totient is φ = 1603440.

The previous prime is 2204773. The next prime is 2204789. The reversal of 2204785 is 5874022.

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

It is not a de Polignac number, because 2204785 - 2⁹ = 2204273 is a prime.

It is a super-2 number, since 2×2204785² = 9722153792450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2204789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19989 + ... + 20098.

It is an arithmetic number, because the mean of its divisors is an integer number (360792).

2^2204785 is an apocalyptic number.

It is an amenable number.

2204785 is a deficient number, since it is larger than the sum of its proper divisors (681551).

2204785 is a wasteful number, since it uses less digits than its factorization.

2204785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40103.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2204785 is about 1484.8518444613. The cubic root of 2204785 is about 130.1533692852.

It can be divided in two parts, 220 and 4785, that added together give a palindrome (5005).

The spelling of 2204785 in words is "two million, two hundred four thousand, seven hundred eighty-five".