3220443671 has 4 divisors (see below), whose sum is σ = 3409881552. Its totient is φ = 3031005792.

The previous prime is 3220443661. The next prime is 3220443673. The reversal of 3220443671 is 1763440223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220443671 - 2⁶ = 3220443607 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 (3220443673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94718915 + ... + 94718948.

It is an arithmetic number, because the mean of its divisors is an integer number (852470388).

Almost surely, 2^3220443671 is an apocalyptic number.

3220443671 is a deficient number, since it is larger than the sum of its proper divisors (189437881).

3220443671 is a wasteful number, since it uses less digits than its factorization.

3220443671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189437880.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 3220443671 is about 56748.9530388006. The cubic root of 3220443671 is about 1476.7440706017.

Adding to 3220443671 its reverse (1763440223), we get a palindrome (4983883894).

The spelling of 3220443671 in words is "three billion, two hundred twenty million, four hundred forty-three thousand, six hundred seventy-one".