2208065 has 4 divisors (see below), whose sum is σ = 2649684. Its totient is φ = 1766448.

The previous prime is 2208061. The next prime is 2208067. The reversal of 2208065 is 5608022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1495729 + 712336 = 1223^2 + 844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208065 - 2² = 2208061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2208065.

It is not an unprimeable number, because it can be changed into a prime (2208061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220802 + ... + 220811.

It is an arithmetic number, because the mean of its divisors is an integer number (662421).

2^2208065 is an apocalyptic number.

It is an amenable number.

2208065 is a deficient number, since it is larger than the sum of its proper divisors (441619).

2208065 is an equidigital number, since it uses as much as digits as its factorization.

2208065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441618.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2208065 is about 1485.9559212843. The cubic root of 2208065 is about 130.2178792077.

The spelling of 2208065 in words is "two million, two hundred eight thousand, sixty-five".