6221313213 has 8 divisors (see below), whose sum is σ = 8562667776. Its totient is φ = 4013750400.

The previous prime is 6221313181. The next prime is 6221313239. The reversal of 6221313213 is 3123131226.

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

It is not a de Polignac number, because 6221313213 - 2⁵ = 6221313181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221313253) 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, 33447828 + ... + 33448013.

It is an arithmetic number, because the mean of its divisors is an integer number (1070333472).

Almost surely, 2^6221313213 is an apocalyptic number.

It is an amenable number.

6221313213 is a deficient number, since it is larger than the sum of its proper divisors (2341354563).

6221313213 is a wasteful number, since it uses less digits than its factorization.

6221313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66895875.

The product of its digits is 1296, while the sum is 24.

The square root of 6221313213 is about 78875.3016666180. The cubic root of 6221313213 is about 1839.1932124806.

Adding to 6221313213 its reverse (3123131226), we get a palindrome (9344444439).

The spelling of 6221313213 in words is "six billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred thirteen".