228343 has 4 divisors (see below), whose sum is σ = 229320. Its totient is φ = 227368.

The previous prime is 228341. The next prime is 228353. The reversal of 228343 is 343822.

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.

It is a cyclic number.

It is not a de Polignac number, because 228343 - 2¹ = 228341 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228341) 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, 96 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2²²⁸³⁴³ is an apocalyptic number.

228343 is a deficient number, since it is larger than the sum of its proper divisors (977).

228343 is an equidigital number, since it uses as much as digits as its factorization.

228343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its digits is 1152, while the sum is 22.

The square root of 228343 is about 477.8524876989. The cubic root of 228343 is about 61.1217669818.

The spelling of 228343 in words is "two hundred twenty-eight thousand, three hundred forty-three".