3221112443 has 8 divisors (see below), whose sum is σ = 3325919616. Its totient is φ = 3116361600.

The previous prime is 3221112439. The next prime is 3221112457. The reversal of 3221112443 is 3442111223.

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 3221112443 - 2² = 3221112439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221112403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123683 + ... + 147443.

It is an arithmetic number, because the mean of its divisors is an integer number (415739952).

Almost surely, 2^3221112443 is an apocalyptic number.

3221112443 is a deficient number, since it is larger than the sum of its proper divisors (104807173).

3221112443 is a wasteful number, since it uses less digits than its factorization.

3221112443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28165.

The product of its digits is 1152, while the sum is 23.

The square root of 3221112443 is about 56754.8451059467. The cubic root of 3221112443 is about 1476.8462859930.

Adding to 3221112443 its reverse (3442111223), we get a palindrome (6663223666).

The spelling of 3221112443 in words is "three billion, two hundred twenty-one million, one hundred twelve thousand, four hundred forty-three".