2204649 has 12 divisors (see below), whose sum is σ = 3197376. Its totient is φ = 1463832.

The previous prime is 2204647. The next prime is 2204651. The reversal of 2204649 is 9464022.

2204649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2204647) and next prime (2204651).

It is not a de Polignac number, because 2204649 - 2¹ = 2204647 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2¹⁹ + 0 + 4 + 6⁸ + 4 + 9³ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2204647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4132 + ... + 4634.

It is an arithmetic number, because the mean of its divisors is an integer number (266448).

2^2204649 is an apocalyptic number.

It is an amenable number.

2204649 is a deficient number, since it is larger than the sum of its proper divisors (992727).

2204649 is a wasteful number, since it uses less digits than its factorization.

2204649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2204649 is about 1484.8060479403. The cubic root of 2204649 is about 130.1506931025.

The spelling of 2204649 in words is "two million, two hundred four thousand, six hundred forty-nine".