2280165 has 16 divisors (see below), whose sum is σ = 3701376. Its totient is φ = 1198400.

The previous prime is 2280163. The next prime is 2280167. The reversal of 2280165 is 5610822.

2280165 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 (2280163) and next prime (2280167).

It is not a de Polignac number, because 2280165 - 2¹ = 2280163 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

2280165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280163) 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 15 ways as a sum of consecutive naturals, for example, 6 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (231336).

2^2280165 is an apocalyptic number.

It is an amenable number.

2280165 is a deficient number, since it is larger than the sum of its proper divisors (1421211).

2280165 is a wasteful number, since it uses less digits than its factorization.

2280165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2280165 is about 1510.0215230254. The cubic root of 2280165 is about 131.6200621970.

Adding to 2280165 its reverse (5610822), we get a palindrome (7890987).

The spelling of 2280165 in words is "two million, two hundred eighty thousand, one hundred sixty-five".