3323021221 has 8 divisors (see below), whose sum is σ = 3580174584. Its totient is φ = 3066087360.

The previous prime is 3323021183. The next prime is 3323021227. The reversal of 3323021221 is 1221203233.

It can be written as a sum of positive squares in 4 ways, for example, as 143640225 + 3179380996 = 11985^2 + 56386^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3323021221 - 2²⁷ = 3188803493 is a prime.

It is a super-2 number, since 2×3323021221² = 22084940070432661682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3323021227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22726 + ... + 84631.

It is an arithmetic number, because the mean of its divisors is an integer number (447521823).

Almost surely, 2^3323021221 is an apocalyptic number.

It is an amenable number.

3323021221 is a deficient number, since it is larger than the sum of its proper divisors (257153363).

3323021221 is a wasteful number, since it uses less digits than its factorization.

3323021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109751.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3323021221 is about 57645.6522298083. The cubic root of 3323021221 is about 1492.2595659745.

Adding to 3323021221 its reverse (1221203233), we get a palindrome (4544224454).

The spelling of 3323021221 in words is "three billion, three hundred twenty-three million, twenty-one thousand, two hundred twenty-one".