3220302213 has 12 divisors (see below), whose sum is σ = 4694223820. Its totient is φ = 2127171456.

The previous prime is 3220302209. The next prime is 3220302221. The reversal of 3220302213 is 3122030223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2811332484 + 408969729 = 53022^2 + 20223^2 .

It is not a de Polignac number, because 3220302213 - 2² = 3220302209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220301213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1640356 + ... + 1642317.

Almost surely, 2^3220302213 is an apocalyptic number.

It is an amenable number.

3220302213 is a deficient number, since it is larger than the sum of its proper divisors (1473921607).

3220302213 is a wasteful number, since it uses less digits than its factorization.

3220302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282788 (or 3282785 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3220302213 is about 56747.7066761292. The cubic root of 3220302213 is about 1476.7224482889.

Adding to 3220302213 its reverse (3122030223), we get a palindrome (6342332436).

The spelling of 3220302213 in words is "three billion, two hundred twenty million, three hundred two thousand, two hundred thirteen".