2200865 has 8 divisors (see below), whose sum is σ = 2780160. Its totient is φ = 1667952.

The previous prime is 2200843. The next prime is 2200867. The reversal of 2200865 is 5680022.

2200865 = T₁₆₆ + T₁₆₇ + ... + T₂₆₀.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2200865 - 2⁸ = 2200609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2200865.

It is not an unprimeable number, because it can be changed into a prime (2200867) 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, 11489 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (347520).

2^2200865 is an apocalyptic number.

It is an amenable number.

2200865 is a deficient number, since it is larger than the sum of its proper divisors (579295).

2200865 is a wasteful number, since it uses less digits than its factorization.

2200865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23191.

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

The square root of 2200865 is about 1483.5312602032. The cubic root of 2200865 is about 130.0761880819.

Adding to 2200865 its reverse (5680022), we get a palindrome (7880887).

The spelling of 2200865 in words is "two million, two hundred thousand, eight hundred sixty-five".