221333222233 has 16 divisors (see below), whose sum is σ = 230544610560. Its totient is φ = 212231980800.

The previous prime is 221333222213. The next prime is 221333222237. The reversal of 221333222233 is 332222333122.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221333222233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221333222237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521818 + ... + 2608108.

It is an arithmetic number, because the mean of its divisors is an integer number (14409038160).

Almost surely, 2^221333222233 is an apocalyptic number.

It is an amenable number.

221333222233 is a deficient number, since it is larger than the sum of its proper divisors (9211388327).

221333222233 is a wasteful number, since it uses less digits than its factorization.

221333222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86928.

The product of its digits is 15552, while the sum is 28.

Adding to 221333222233 its reverse (332222333122), we get a palindrome (553555555355).

The spelling of 221333222233 in words is "two hundred twenty-one billion, three hundred thirty-three million, two hundred twenty-two thousand, two hundred thirty-three".