14313221 has 8 divisors (see below), whose sum is σ = 15475320. Its totient is φ = 13159872.

The previous prime is 14313217. The next prime is 14313253. The reversal of 14313221 is 12231341.

14313221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 168100 + 14145121 = 410^2 + 3761^2 .

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 14313221 - 2² = 14313217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14313221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14313121) 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, 1451 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (1934415).

Almost surely, 2^14313221 is an apocalyptic number.

It is an amenable number.

14313221 is a deficient number, since it is larger than the sum of its proper divisors (1162099).

14313221 is a wasteful number, since it uses less digits than its factorization.

14313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its digits is 144, while the sum is 17.

The square root of 14313221 is about 3783.2817764475. The cubic root of 14313221 is about 242.7983842523.

Adding to 14313221 its reverse (12231341), we get a palindrome (26544562).

The spelling of 14313221 in words is "fourteen million, three hundred thirteen thousand, two hundred twenty-one".