223221021233 has 8 divisors (see below), whose sum is σ = 255157085568. Its totient is φ = 191296793664.

The previous prime is 223221021229. The next prime is 223221021241. The reversal of 223221021233 is 332120122322.

223221021233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223221021233 - 2² = 223221021229 is a prime.

It is a super-3 number, since 3×223221021233³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223221021199 and 223221021208.

It is not an unprimeable number, because it can be changed into a prime (223221021203) 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 7 ways as a sum of consecutive naturals, for example, 2918741 + ... + 2994242.

It is an arithmetic number, because the mean of its divisors is an integer number (31894635696).

Almost surely, 2^223221021233 is an apocalyptic number.

It is an amenable number.

223221021233 is a deficient number, since it is larger than the sum of its proper divisors (31936064335).

223221021233 is an equidigital number, since it uses as much as digits as its factorization.

223221021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918383.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223221021233 its reverse (332120122322), we get a palindrome (555341143555).

The spelling of 223221021233 in words is "two hundred twenty-three billion, two hundred twenty-one million, twenty-one thousand, two hundred thirty-three".