221033333223 has 20 divisors (see below), whose sum is σ = 330259791928. Its totient is φ = 147322443600.

The previous prime is 221033333189. The next prime is 221033333239. The reversal of 221033333223 is 322333330122.

221033333223 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 3 + 333 + 322 + 3 = 666.

It is not a de Polignac number, because 221033333223 - 2⁶ = 221033333159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221033333623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 58773 + ... + 667473.

Almost surely, 2^221033333223 is an apocalyptic number.

221033333223 is a deficient number, since it is larger than the sum of its proper divisors (109226458705).

221033333223 is an equidigital number, since it uses as much as digits as its factorization.

221033333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613196 (or 613187 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 221033333223 its reverse (322333330122), we get a palindrome (543366663345).

The spelling of 221033333223 in words is "two hundred twenty-one billion, thirty-three million, three hundred thirty-three thousand, two hundred twenty-three".