44004221 has 8 divisors (see below), whose sum is σ = 47399424. Its totient is φ = 40732560.

The previous prime is 44004217. The next prime is 44004227. The reversal of 44004221 is 12240044.

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 44004221 - 2² = 44004217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44004221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30146 + ... + 31571.

It is an arithmetic number, because the mean of its divisors is an integer number (5924928).

Almost surely, 2^44004221 is an apocalyptic number.

It is an amenable number.

44004221 is a deficient number, since it is larger than the sum of its proper divisors (3395203).

44004221 is a wasteful number, since it uses less digits than its factorization.

44004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61771.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 44004221 is about 6633.5677429269. The cubic root of 44004221 is about 353.0461222628.

Adding to 44004221 its reverse (12240044), we get a palindrome (56244265).

The spelling of 44004221 in words is "forty-four million, four thousand, two hundred twenty-one".