223800205 has 4 divisors (see below), whose sum is σ = 268560252. Its totient is φ = 179040160.

The previous prime is 223800193. The next prime is 223800233. The reversal of 223800205 is 502008322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 168714121 + 55086084 = 12989^2 + 7422^2 .

It is not a de Polignac number, because 223800205 - 2¹⁷ = 223669133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 22380016 + ... + 22380025.

It is an arithmetic number, because the mean of its divisors is an integer number (67140063).

Almost surely, 2^223800205 is an apocalyptic number.

It is an amenable number.

223800205 is a deficient number, since it is larger than the sum of its proper divisors (44760047).

223800205 is an equidigital number, since it uses as much as digits as its factorization.

223800205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44760046.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 223800205 is about 14959.9533755958. The cubic root of 223800205 is about 607.1371765888.

Adding to 223800205 its reverse (502008322), we get a palindrome (725808527).

The spelling of 223800205 in words is "two hundred twenty-three million, eight hundred thousand, two hundred five".