2287915 has 16 divisors (see below), whose sum is σ = 3168000. Its totient is φ = 1553760.

The previous prime is 2287891. The next prime is 2287921. The reversal of 2287915 is 5197822.

2287915 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 2287915 - 2¹⁵ = 2255147 is a prime.

It is an unprimeable number.

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, 4336 + ... + 4834.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

2^2287915 is an apocalyptic number.

2287915 is a deficient number, since it is larger than the sum of its proper divisors (880085).

2287915 is a wasteful number, since it uses less digits than its factorization.

2287915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 10080, while the sum is 34.

The square root of 2287915 is about 1512.5855347715. The cubic root of 2287915 is about 131.7690136952.

The spelling of 2287915 in words is "two million, two hundred eighty-seven thousand, nine hundred fifteen".