3221021223 has 54 divisors (see below), whose sum is σ = 5658145584. Its totient is φ = 1760430672.

The previous prime is 3221021203. The next prime is 3221021239. The reversal of 3221021223 is 3221201223.

It is not a de Polignac number, because 3221021223 - 2⁶ = 3221021159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221021196 and 3221021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221021203) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 226386 + ... + 240192.

Almost surely, 2^3221021223 is an apocalyptic number.

3221021223 is a deficient number, since it is larger than the sum of its proper divisors (2437124361).

3221021223 is a wasteful number, since it uses less digits than its factorization.

3221021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13873 (or 13840 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3221021223 is about 56754.0414684276. The cubic root of 3221021223 is about 1476.8323447235.

Adding to 3221021223 its reverse (3221201223), we get a palindrome (6442222446).

The spelling of 3221021223 in words is "three billion, two hundred twenty-one million, twenty-one thousand, two hundred twenty-three".