2287285 has 32 divisors (see below), whose sum is σ = 3693312. Its totient is φ = 1313280.

The previous prime is 2287283. The next prime is 2287289. The reversal of 2287285 is 5827822.

It is not a de Polignac number, because 2287285 - 2¹ = 2287283 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2287285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4777 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (115416).

2^2287285 is an apocalyptic number.

It is an amenable number.

2287285 is a deficient number, since it is larger than the sum of its proper divisors (1406027).

2287285 is a wasteful number, since it uses less digits than its factorization.

2287285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its digits is 17920, while the sum is 34.

The square root of 2287285 is about 1512.3772677477. The cubic root of 2287285 is about 131.7569179516.

The spelling of 2287285 in words is "two million, two hundred eighty-seven thousand, two hundred eighty-five".