4003221443 has 8 divisors (see below), whose sum is σ = 4315357536. Its totient is φ = 3691684800.

The previous prime is 4003221419. The next prime is 4003221463. The reversal of 4003221443 is 3441223004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4003221443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4003221403) 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, 135938 + ... + 162743.

It is an arithmetic number, because the mean of its divisors is an integer number (539419692).

Almost surely, 2^4003221443 is an apocalyptic number.

4003221443 is a deficient number, since it is larger than the sum of its proper divisors (312136093).

4003221443 is a wasteful number, since it uses less digits than its factorization.

4003221443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299725.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4003221443 is about 63271.0158208322. The cubic root of 4003221443 is about 1587.8270811202.

Adding to 4003221443 its reverse (3441223004), we get a palindrome (7444444447).

The spelling of 4003221443 in words is "four billion, three million, two hundred twenty-one thousand, four hundred forty-three".