44000221 has 8 divisors (see below), whose sum is σ = 45601920. Its totient is φ = 42404208.

The previous prime is 44000213. The next prime is 44000249. The reversal of 44000221 is 12200044.

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 44000221 - 2³ = 44000213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44000291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20040 + ... + 22126.

It is an arithmetic number, because the mean of its divisors is an integer number (5700240).

Almost surely, 2^44000221 is an apocalyptic number.

It is an amenable number.

44000221 is a deficient number, since it is larger than the sum of its proper divisors (1601699).

44000221 is a wasteful number, since it uses less digits than its factorization.

44000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 44000221 is about 6633.2662391917. The cubic root of 44000221 is about 353.0354245975.

Adding to 44000221 its reverse (12200044), we get a palindrome (56200265).

The spelling of 44000221 in words is "forty-four million, two hundred twenty-one", and thus it is an aban number.