2288917 has 4 divisors (see below), whose sum is σ = 2292160. Its totient is φ = 2285676.

The previous prime is 2288893. The next prime is 2288927. The reversal of 2288917 is 7198822.

2288917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2288917 is a prime.

It is a Duffinian number.

2288917 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288927) 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 3 ways as a sum of consecutive naturals, for example, 63 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (573040).

2^2288917 is an apocalyptic number.

It is an amenable number.

2288917 is a deficient number, since it is larger than the sum of its proper divisors (3243).

2288917 is a wasteful number, since it uses less digits than its factorization.

2288917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242.

The product of its digits is 16128, while the sum is 37.

The square root of 2288917 is about 1512.9167194529. The cubic root of 2288917 is about 131.7882471139.

The spelling of 2288917 in words is "two million, two hundred eighty-eight thousand, nine hundred seventeen".