2287305 has 16 divisors (see below), whose sum is σ = 4066560. Its totient is φ = 1219824.

The previous prime is 2287301. The next prime is 2287319. The reversal of 2287305 is 5037822.

2287305 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 2287305 - 2² = 2287301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁸ + 8⁴ + 7⁴ + 3 + 0 + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (2287301) 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, 8337 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (254160).

2^2287305 is an apocalyptic number.

It is an amenable number.

2287305 is a deficient number, since it is larger than the sum of its proper divisors (1779255).

2287305 is a wasteful number, since it uses less digits than its factorization.

2287305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16957 (or 16951 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2287305 is about 1512.3838798400. The cubic root of 2287305 is about 131.7573019776.

The spelling of 2287305 in words is "two million, two hundred eighty-seven thousand, three hundred five".