3221105213 has 8 divisors (see below), whose sum is σ = 3228968448. Its totient is φ = 3213253264.

The previous prime is 3221105203. The next prime is 3221105221. The reversal of 3221105213 is 3125011223.

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 3221105213 - 2⁶ = 3221105149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221105203) 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, 846431 + ... + 850227.

It is an arithmetic number, because the mean of its divisors is an integer number (403621056).

Almost surely, 2^3221105213 is an apocalyptic number.

It is an amenable number.

3221105213 is a deficient number, since it is larger than the sum of its proper divisors (7863235).

3221105213 is an equidigital number, since it uses as much as digits as its factorization.

3221105213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3221105213 is about 56754.7814109085. The cubic root of 3221105213 is about 1476.8451810324.

Adding to 3221105213 its reverse (3125011223), we get a palindrome (6346116436).

The spelling of 3221105213 in words is "three billion, two hundred twenty-one million, one hundred five thousand, two hundred thirteen".