223220233 has 4 divisors (see below), whose sum is σ = 223521408. Its totient is φ = 222919060.

The previous prime is 223220213. The next prime is 223220281. The reversal of 223220233 is 332022322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223220233 - 2⁹ = 223219721 is a prime.

It is a super-3 number, since 3×223220233³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223220233.

It is not an unprimeable number, because it can be changed into a prime (223220213) 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, 149473 + ... + 150958.

It is an arithmetic number, because the mean of its divisors is an integer number (55880352).

Almost surely, 2^223220233 is an apocalyptic number.

It is an amenable number.

223220233 is a deficient number, since it is larger than the sum of its proper divisors (301175).

223220233 is an equidigital number, since it uses as much as digits as its factorization.

223220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301174.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 223220233 is about 14940.5566496031. The cubic root of 223220233 is about 606.6122631983.

Adding to 223220233 its reverse (332022322), we get a palindrome (555242555).

The spelling of 223220233 in words is "two hundred twenty-three million, two hundred twenty thousand, two hundred thirty-three".