2288317 has 4 divisors (see below), whose sum is σ = 2291356. Its totient is φ = 2285280.

The previous prime is 2288291. The next prime is 2288323. The reversal of 2288317 is 7138822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7138822 = 2 ⋅3569411.

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 1406596 = 939^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288317 - 2¹⁵ = 2255549 is a prime.

It is a Duffinian number.

2288317 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (572839).

2^2288317 is an apocalyptic number.

It is an amenable number.

2288317 is a deficient number, since it is larger than the sum of its proper divisors (3039).

2288317 is a wasteful number, since it uses less digits than its factorization.

2288317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its digits is 5376, while the sum is 31.

The square root of 2288317 is about 1512.7184139819. The cubic root of 2288317 is about 131.7767307711.

The spelling of 2288317 in words is "two million, two hundred eighty-eight thousand, three hundred seventeen".