3221213333 has 16 divisors (see below), whose sum is σ = 3488975616. Its totient is φ = 2956357440.

The previous prime is 3221213327. The next prime is 3221213341. The reversal of 3221213333 is 3333121223.

It is a cyclic number.

It is not a de Polignac number, because 3221213333 - 2¹² = 3221209237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221213299 and 3221213308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221213833) 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, 2919860 + ... + 2920962.

It is an arithmetic number, because the mean of its divisors is an integer number (218060976).

Almost surely, 2^3221213333 is an apocalyptic number.

It is an amenable number.

3221213333 is a deficient number, since it is larger than the sum of its proper divisors (267762283).

3221213333 is a wasteful number, since it uses less digits than its factorization.

3221213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204.

The product of its digits is 1944, while the sum is 23.

The square root of 3221213333 is about 56755.7339217810. The cubic root of 3221213333 is about 1476.8617048344.

Adding to 3221213333 its reverse (3333121223), we get a palindrome (6554334556).

The spelling of 3221213333 in words is "three billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-three".