544300221 has 16 divisors (see below), whose sum is σ = 758785536. Its totient is φ = 346403376.

The previous prime is 544300213. The next prime is 544300241. The reversal of 544300221 is 122003445.

544300221 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 544300221 - 2³ = 544300213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544300241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28546 + ... + 43628.

It is an arithmetic number, because the mean of its divisors is an integer number (47424096).

Almost surely, 2^544300221 is an apocalyptic number.

It is an amenable number.

544300221 is a deficient number, since it is larger than the sum of its proper divisors (214485315).

544300221 is a wasteful number, since it uses less digits than its factorization.

544300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15632.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 544300221 is about 23330.2426262566. The cubic root of 544300221 is about 816.4811641607.

Adding to 544300221 its reverse (122003445), we get a palindrome (666303666).

The spelling of 544300221 in words is "five hundred forty-four million, three hundred thousand, two hundred twenty-one".