288233 has 4 divisors (see below), whose sum is σ = 314448. Its totient is φ = 262020.

The previous prime is 288227. The next prime is 288241. The reversal of 288233 is 332882.

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.

It is not a de Polignac number, because 288233 - 2⁸ = 287977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13091 + ... + 13112.

It is an arithmetic number, because the mean of its divisors is an integer number (78612).

2²⁸⁸²³³ is an apocalyptic number.

It is an amenable number.

288233 is a deficient number, since it is larger than the sum of its proper divisors (26215).

288233 is a wasteful number, since it uses less digits than its factorization.

288233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26214.

The product of its digits is 2304, while the sum is 26.

The square root of 288233 is about 536.8733556436. The cubic root of 288233 is about 66.0563491832.

The spelling of 288233 in words is "two hundred eighty-eight thousand, two hundred thirty-three".