3221211223 has 8 divisors (see below), whose sum is σ = 3296905920. Its totient is φ = 3145814880.

The previous prime is 3221211199. The next prime is 3221211239. The reversal of 3221211223 is 3221121223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221211223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221218223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52668 + ... + 96001.

It is an arithmetic number, because the mean of its divisors is an integer number (412113240).

Almost surely, 2^3221211223 is an apocalyptic number.

3221211223 is a deficient number, since it is larger than the sum of its proper divisors (75694697).

3221211223 is a wasteful number, since it uses less digits than its factorization.

3221211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149177.

The product of its digits is 288, while the sum is 19.

The square root of 3221211223 is about 56755.7153333477. The cubic root of 3221211223 is about 1476.8613823701.

Adding to 3221211223 its reverse (3221121223), we get a palindrome (6442332446).

Subtracting from 3221211223 its reverse (3221121223), we obtain a square (90000 = 300²).

The spelling of 3221211223 in words is "three billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty-three".