2288999 has 8 divisors (see below), whose sum is σ = 2507760. Its totient is φ = 2079616.

The previous prime is 2288953. The next prime is 2289013. The reversal of 2288999 is 9998822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2288999 - 2²⁰ = 1240423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288929) 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 7 ways as a sum of consecutive naturals, for example, 1829 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (313470).

2^2288999 is an apocalyptic number.

2288999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2288999 is a deficient number, since it is larger than the sum of its proper divisors (218761).

2288999 is a wasteful number, since it uses less digits than its factorization.

2288999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689.

The product of its digits is 186624, while the sum is 47.

The square root of 2288999 is about 1512.9438191817. The cubic root of 2288999 is about 131.7898208578.

The spelling of 2288999 in words is "two million, two hundred eighty-eight thousand, nine hundred ninety-nine".