2273065 has 16 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 1693440.

The previous prime is 2273059. The next prime is 2273069. The reversal of 2273065 is 5603722.

2273065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2273065 - 2¹⁹ = 1748777 is a prime.

2273065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2273069) 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, 6577 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^2273065 is an apocalyptic number.

It is an amenable number.

2273065 is a deficient number, since it is larger than the sum of its proper divisors (647255).

2273065 is a wasteful number, since it uses less digits than its factorization.

2273065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2273065 is about 1507.6687301924. The cubic root of 2273065 is about 131.4833068778.

Adding to 2273065 its reverse (5603722), we get a palindrome (7876787).

The spelling of 2273065 in words is "two million, two hundred seventy-three thousand, sixty-five".