3221211443 has 4 divisors (see below), whose sum is σ = 3257404920. Its totient is φ = 3185017968.

The previous prime is 3221211431. The next prime is 3221211451. The reversal of 3221211443 is 3441121223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3441121223 = 281 ⋅12245983.

It is a cyclic number.

It is not a de Polignac number, because 3221211443 - 2¹² = 3221207347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221211463) 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 3 ways as a sum of consecutive naturals, for example, 18096605 + ... + 18096782.

It is an arithmetic number, because the mean of its divisors is an integer number (814351230).

Almost surely, 2^3221211443 is an apocalyptic number.

3221211443 is a deficient number, since it is larger than the sum of its proper divisors (36193477).

3221211443 is an equidigital number, since it uses as much as digits as its factorization.

3221211443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36193476.

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

The square root of 3221211443 is about 56755.7172714785. The cubic root of 3221211443 is about 1476.8614159920.

Adding to 3221211443 its reverse (3441121223), we get a palindrome (6662332666).

The spelling of 3221211443 in words is "three billion, two hundred twenty-one million, two hundred eleven thousand, four hundred forty-three".