14005221 has 4 divisors (see below), whose sum is σ = 18673632. Its totient is φ = 9336812.

The previous prime is 14005217. The next prime is 14005241. The reversal of 14005221 is 12250041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14005221 - 2² = 14005217 is a prime.

It is a super-2 number, since 2×14005221² = 392292430517682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14005221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005241) 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, 2334201 + ... + 2334206.

It is an arithmetic number, because the mean of its divisors is an integer number (4668408).

Almost surely, 2^14005221 is an apocalyptic number.

It is an amenable number.

14005221 is a deficient number, since it is larger than the sum of its proper divisors (4668411).

14005221 is an equidigital number, since it uses as much as digits as its factorization.

14005221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668410.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 14005221 is about 3742.3550072114. The cubic root of 14005221 is about 241.0441830577.

Adding to 14005221 its reverse (12250041), we get a palindrome (26255262).

The spelling of 14005221 in words is "fourteen million, five thousand, two hundred twenty-one".