104443221 has 4 divisors (see below), whose sum is σ = 139257632. Its totient is φ = 69628812.

The previous prime is 104443219. The next prime is 104443249. The reversal of 104443221 is 122344401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 104443221 - 2¹ = 104443219 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 (104443321) 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, 17407201 + ... + 17407206.

It is an arithmetic number, because the mean of its divisors is an integer number (34814408).

Almost surely, 2^104443221 is an apocalyptic number.

It is an amenable number.

104443221 is a deficient number, since it is larger than the sum of its proper divisors (34814411).

104443221 is an equidigital number, since it uses as much as digits as its factorization.

104443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34814410.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 104443221 is about 10219.7466211252. The cubic root of 104443221 is about 470.9340426299.

Adding to 104443221 its reverse (122344401), we get a palindrome (226787622).

The spelling of 104443221 in words is "one hundred four million, four hundred forty-three thousand, two hundred twenty-one".