3222031221 has 12 divisors (see below), whose sum is σ = 4804176000. Its totient is φ = 2078729640.

The previous prime is 3222031193. The next prime is 3222031231. The reversal of 3222031221 is 1221302223.

It is not a de Polignac number, because 3222031221 - 2⁶ = 3222031157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3222031194 and 3222031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5773971 + ... + 5774528.

It is an arithmetic number, because the mean of its divisors is an integer number (400348000).

Almost surely, 2^3222031221 is an apocalyptic number.

3222031221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3222031221 is a deficient number, since it is larger than the sum of its proper divisors (1582144779).

3222031221 is a wasteful number, since it uses less digits than its factorization.

3222031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11548536 (or 11548533 counting only the distinct ones).

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

The square root of 3222031221 is about 56762.9387981278. The cubic root of 3222031221 is about 1476.9866893381.

Adding to 3222031221 its reverse (1221302223), we get a palindrome (4443333444).

The spelling of 3222031221 in words is "three billion, two hundred twenty-two million, thirty-one thousand, two hundred twenty-one".