3323221213 has 4 divisors (see below), whose sum is σ = 3578853628. Its totient is φ = 3067588800.

The previous prime is 3323221199. The next prime is 3323221271. The reversal of 3323221213 is 3121223233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1179716409 + 2143504804 = 34347^2 + 46298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3323221213 is a prime.

It is a super-2 number, since 2×3323221213² = 22087598461066382738, 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 (3323221513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127816188 + ... + 127816213.

It is an arithmetic number, because the mean of its divisors is an integer number (894713407).

Almost surely, 2^3323221213 is an apocalyptic number.

It is an amenable number.

3323221213 is a deficient number, since it is larger than the sum of its proper divisors (255632415).

3323221213 is a wasteful number, since it uses less digits than its factorization.

3323221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255632414.

The product of its digits is 1296, while the sum is 22.

The square root of 3323221213 is about 57647.3868705252. The cubic root of 3323221213 is about 1492.2895019844.

Adding to 3323221213 its reverse (3121223233), we get a palindrome (6444444446).

It can be divided in two parts, 33232 and 21213, that added together give a palindrome (54445).

The spelling of 3323221213 in words is "three billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred thirteen".