3223220221 has 12 divisors (see below), whose sum is σ = 3491862528. Its totient is φ = 2973891024.

The previous prime is 3223220201. The next prime is 3223220269. The reversal of 3223220221 is 1220223223.

It is not a de Polignac number, because 3223220221 - 2¹⁵ = 3223187453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602866 + ... + 608188.

It is an arithmetic number, because the mean of its divisors is an integer number (290988544).

Almost surely, 2^3223220221 is an apocalyptic number.

It is an amenable number.

3223220221 is a deficient number, since it is larger than the sum of its proper divisors (268642307).

3223220221 is a wasteful number, since it uses less digits than its factorization.

3223220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932 (or 8919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3223220221 is about 56773.4112151102. The cubic root of 3223220221 is about 1477.1683471268.

Adding to 3223220221 its reverse (1220223223), we get a palindrome (4443443444).

The spelling of 3223220221 in words is "three billion, two hundred twenty-three million, two hundred twenty thousand, two hundred twenty-one".