2206565 has 8 divisors (see below), whose sum is σ = 2787360. Its totient is φ = 1672272.

The previous prime is 2206559. The next prime is 2206591. The reversal of 2206565 is 5656022.

It is a happy number.

2206565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2206565 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11519 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (348420).

2^2206565 is an apocalyptic number.

It is an amenable number.

2206565 is a deficient number, since it is larger than the sum of its proper divisors (580795).

2206565 is a wasteful number, since it uses less digits than its factorization.

2206565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23251.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2206565 is about 1485.4511099326. The cubic root of 2206565 is about 130.1883856518.

The spelling of 2206565 in words is "two million, two hundred six thousand, five hundred sixty-five".