204322223 has 4 divisors (see below), whose sum is σ = 233511120. Its totient is φ = 175133328.

The previous prime is 204322213. The next prime is 204322231. The reversal of 204322223 is 322223402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204322223 - 2⁶ = 204322159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204322195 and 204322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204322213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14594438 + ... + 14594451.

It is an arithmetic number, because the mean of its divisors is an integer number (58377780).

Almost surely, 2^204322223 is an apocalyptic number.

204322223 is a deficient number, since it is larger than the sum of its proper divisors (29188897).

204322223 is an equidigital number, since it uses as much as digits as its factorization.

204322223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29188896.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 204322223 is about 14294.1324675547. The cubic root of 204322223 is about 588.9863116472.

Adding to 204322223 its reverse (322223402), we get a palindrome (526545625).

The spelling of 204322223 in words is "two hundred four million, three hundred twenty-two thousand, two hundred twenty-three".