4441133221 has 8 divisors (see below), whose sum is σ = 5075985024. Its totient is φ = 3806382480.

The previous prime is 4441133219. The next prime is 4441133233. The reversal of 4441133221 is 1223311444.

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 4441133221 - 2¹ = 4441133219 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 (4441133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149736 + ... + 176926.

It is an arithmetic number, because the mean of its divisors is an integer number (634498128).

Almost surely, 2^4441133221 is an apocalyptic number.

It is an amenable number.

4441133221 is a deficient number, since it is larger than the sum of its proper divisors (634851803).

4441133221 is a wasteful number, since it uses less digits than its factorization.

4441133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50531.

The product of its digits is 2304, while the sum is 25.

The square root of 4441133221 is about 66641.8278635873. The cubic root of 4441133221 is about 1643.7329724828.

Adding to 4441133221 its reverse (1223311444), we get a palindrome (5664444665).

The spelling of 4441133221 in words is "four billion, four hundred forty-one million, one hundred thirty-three thousand, two hundred twenty-one".