443221444113 has 96 divisors (see below), whose sum is σ = 734594724864. Its totient is φ = 232648930944.

The previous prime is 443221444079. The next prime is 443221444139. The reversal of 443221444113 is 311444122344.

It is a happy number.

It is not a de Polignac number, because 443221444113 - 2¹⁸ = 443221181969 is a prime.

It is a super-2 number, since 2×443221444113² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (443221444013) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 86110006 + ... + 86115152.

It is an arithmetic number, because the mean of its divisors is an integer number (7652028384).

Almost surely, 2^443221444113 is an apocalyptic number.

It is an amenable number.

443221444113 is a deficient number, since it is larger than the sum of its proper divisors (291373280751).

443221444113 is a wasteful number, since it uses less digits than its factorization.

443221444113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539 (or 5520 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

Adding to 443221444113 its reverse (311444122344), we get a palindrome (754665566457).

The spelling of 443221444113 in words is "four hundred forty-three billion, two hundred twenty-one million, four hundred forty-four thousand, one hundred thirteen".