223221203 has 4 divisors (see below), whose sum is σ = 236351880. Its totient is φ = 210090528.

The previous prime is 223221161. The next prime is 223221227. The reversal of 223221203 is 302122322.

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 223221203 - 2²⁰ = 222172627 is a prime.

It is a super-3 number, since 3×223221203³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 13130659 = 223221203 / (2 + 2 + 3 + 2 + 2 + 1 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221503) 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, 6565313 + ... + 6565346.

It is an arithmetic number, because the mean of its divisors is an integer number (59087970).

Almost surely, 2^223221203 is an apocalyptic number.

223221203 is a deficient number, since it is larger than the sum of its proper divisors (13130677).

223221203 is a wasteful number, since it uses less digits than its factorization.

223221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130676.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223221203 is about 14940.5891115444. The cubic root of 223221203 is about 606.6131418717.

Adding to 223221203 its reverse (302122322), we get a palindrome (525343525).

The spelling of 223221203 in words is "two hundred twenty-three million, two hundred twenty-one thousand, two hundred three".