44317021 has 12 divisors (see below), whose sum is σ = 53795232. Its totient is φ = 36333528.

The previous prime is 44317019. The next prime is 44317027. The reversal of 44317021 is 12071344.

44317021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44317021 - 2¹ = 44317019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44316983 and 44317001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44317027) 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 11 ways as a sum of consecutive naturals, for example, 18535 + ... + 20788.

It is an arithmetic number, because the mean of its divisors is an integer number (4482936).

Almost surely, 2^44317021 is an apocalyptic number.

It is an amenable number.

44317021 is a deficient number, since it is larger than the sum of its proper divisors (9478211).

44317021 is a wasteful number, since it uses less digits than its factorization.

44317021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39360 (or 39353 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 44317021 is about 6657.1030486241. The cubic root of 44317021 is about 353.8806799922.

Adding to 44317021 its reverse (12071344), we get a palindrome (56388365).

The spelling of 44317021 in words is "forty-four million, three hundred seventeen thousand, twenty-one".