21223332333 has 12 divisors (see below), whose sum is σ = 35035342368. Its totient is φ = 12127618440.

The previous prime is 21223332311. The next prime is 21223332343. The reversal of 21223332333 is 33323332212.

It is not a de Polignac number, because 21223332333 - 2⁵ = 21223332301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21223332297 and 21223332306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223332343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168439083 + ... + 168439208.

It is an arithmetic number, because the mean of its divisors is an integer number (2919611864).

Almost surely, 2^21223332333 is an apocalyptic number.

It is an amenable number.

21223332333 is a deficient number, since it is larger than the sum of its proper divisors (13812010035).

21223332333 is a wasteful number, since it uses less digits than its factorization.

21223332333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336878304 (or 336878301 counting only the distinct ones).

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

Adding to 21223332333 its reverse (33323332212), we get a palindrome (54546664545).

The spelling of 21223332333 in words is "twenty-one billion, two hundred twenty-three million, three hundred thirty-two thousand, three hundred thirty-three".