14003221 has 4 divisors (see below), whose sum is σ = 14232844. Its totient is φ = 13773600.

The previous prime is 14003219. The next prime is 14003233. The reversal of 14003221 is 12230041.

14003221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 12680721 = 1150^2 + 3561^2 .

It is a cyclic number.

It is not a de Polignac number, because 14003221 - 2¹ = 14003219 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 (14003261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114720 + ... + 114841.

It is an arithmetic number, because the mean of its divisors is an integer number (3558211).

Almost surely, 2^14003221 is an apocalyptic number.

It is an amenable number.

14003221 is a deficient number, since it is larger than the sum of its proper divisors (229623).

14003221 is an equidigital number, since it uses as much as digits as its factorization.

14003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229622.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 14003221 is about 3742.0877862498. The cubic root of 14003221 is about 241.0327084960.

Adding to 14003221 its reverse (12230041), we get a palindrome (26233262).

The spelling of 14003221 in words is "fourteen million, three thousand, two hundred twenty-one".