2288823 has 8 divisors (see below), whose sum is σ = 3150336. Its totient is φ = 1476600.

The previous prime is 2288821. The next prime is 2288831. The reversal of 2288823 is 3288822.

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

It is not a de Polignac number, because 2288823 - 2¹ = 2288821 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288821) 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, 12213 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (393792).

2^2288823 is an apocalyptic number.

2288823 is a deficient number, since it is larger than the sum of its proper divisors (861513).

2288823 is a wasteful number, since it uses less digits than its factorization.

2288823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24645.

The product of its digits is 12288, while the sum is 33.

The square root of 2288823 is about 1512.8856533129. The cubic root of 2288823 is about 131.7864430198.

Subtracting 2288823 from its reverse (3288822), we obtain a palindrome (999999).

The spelling of 2288823 in words is "two million, two hundred eighty-eight thousand, eight hundred twenty-three".