44408221 has 8 divisors (see below), whose sum is σ = 52172064. Its totient is φ = 37265520.

The previous prime is 44408219. The next prime is 44408227. The reversal of 44408221 is 12280444.

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 44408221 - 2¹ = 44408219 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 (44408227) 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, 155131 + ... + 155416.

It is an arithmetic number, because the mean of its divisors is an integer number (6521508).

Almost surely, 2^44408221 is an apocalyptic number.

It is an amenable number.

44408221 is a deficient number, since it is larger than the sum of its proper divisors (7763843).

44408221 is a wasteful number, since it uses less digits than its factorization.

44408221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310571.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 44408221 is about 6663.9493545494. The cubic root of 44408221 is about 354.1232640208.

Adding to 44408221 its reverse (12280444), we get a palindrome (56688665).

The spelling of 44408221 in words is "forty-four million, four hundred eight thousand, two hundred twenty-one".