282223 has 4 divisors (see below), whose sum is σ = 283360. Its totient is φ = 281088.

The previous prime is 282221. The next prime is 282229. The reversal of 282223 is 322282.

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: 322282 = 2 ⋅161141.

It is a cyclic number.

It is not a de Polignac number, because 282223 - 2¹ = 282221 is a prime.

It is a d-powerful number, because it can be written as 2² + 8 + 2⁷ + 2⁸ + 2¹⁸ + 3⁹ .

It is a Duffinian number.

282223 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 282223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (70840).

2²⁸²²²³ is an apocalyptic number.

282223 is a deficient number, since it is larger than the sum of its proper divisors (1137).

282223 is an equidigital number, since it uses as much as digits as its factorization.

282223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 384, while the sum is 19.

The square root of 282223 is about 531.2466470482. The cubic root of 282223 is about 65.5940028971.

It can be divided in two parts, 28222 and 3, that multiplied together give a triangular number (84666 = T₄₁₁).

The spelling of 282223 in words is "two hundred eighty-two thousand, two hundred twenty-three".