3320213221 has 8 divisors (see below), whose sum is σ = 3601715544. Its totient is φ = 3042439680.

The previous prime is 3320213201. The next prime is 3320213233. The reversal of 3320213221 is 1223120233.

It can be written as a sum of positive squares in 4 ways, for example, as 893172996 + 2427040225 = 29886^2 + 49265^2 .

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 3320213221 - 2¹³ = 3320205029 is a prime.

It is a super-2 number, since 2×3320213221² = 22047631665806389682, 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 (3320213201) 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 7 ways as a sum of consecutive naturals, for example, 930340 + ... + 933901.

It is an arithmetic number, because the mean of its divisors is an integer number (450214443).

Almost surely, 2^3320213221 is an apocalyptic number.

It is an amenable number.

3320213221 is a deficient number, since it is larger than the sum of its proper divisors (281502323).

3320213221 is a wasteful number, since it uses less digits than its factorization.

3320213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864391.

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

The square root of 3320213221 is about 57621.2913860840. The cubic root of 3320213221 is about 1491.8391207015.

Adding to 3320213221 its reverse (1223120233), we get a palindrome (4543333454).

The spelling of 3320213221 in words is "three billion, three hundred twenty million, two hundred thirteen thousand, two hundred twenty-one".