44244021 has 8 divisors (see below), whose sum is σ = 59228064. Its totient is φ = 29378000.

The previous prime is 44244001. The next prime is 44244049. The reversal of 44244021 is 12044244.

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 44244021 - 2¹⁴ = 44227637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44244001) 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, 28626 + ... + 30131.

It is an arithmetic number, because the mean of its divisors is an integer number (7403508).

Almost surely, 2^44244021 is an apocalyptic number.

It is an amenable number.

44244021 is a deficient number, since it is larger than the sum of its proper divisors (14984043).

44244021 is a wasteful number, since it uses less digits than its factorization.

44244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59011.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44244021 is about 6651.6179234830. The cubic root of 44244021 is about 353.6862664506.

Adding to 44244021 its reverse (12044244), we get a palindrome (56288265).

The spelling of 44244021 in words is "forty-four million, two hundred forty-four thousand, twenty-one".