222004223 has 4 divisors (see below), whose sum is σ = 253719120. Its totient is φ = 190289328.

The previous prime is 222004187. The next prime is 222004249. The reversal of 222004223 is 322400222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322400222 = 2 ⋅161200111.

It is a cyclic number.

It is not a de Polignac number, because 222004223 - 2²⁶ = 154895359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222004723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15857438 + ... + 15857451.

It is an arithmetic number, because the mean of its divisors is an integer number (63429780).

Almost surely, 2^222004223 is an apocalyptic number.

222004223 is a deficient number, since it is larger than the sum of its proper divisors (31714897).

222004223 is an equidigital number, since it uses as much as digits as its factorization.

222004223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31714896.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222004223 is about 14899.8061396785. The cubic root of 222004223 is about 605.5087340369.

Adding to 222004223 its reverse (322400222), we get a palindrome (544404445).

The spelling of 222004223 in words is "two hundred twenty-two million, four thousand, two hundred twenty-three".