14213221 has 8 divisors (see below), whose sum is σ = 16005888. Its totient is φ = 12504000.

The previous prime is 14213209. The next prime is 14213231. The reversal of 14213221 is 12231241.

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 14213221 - 2⁵ = 14213189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14213195 and 14213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14213231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20500 + ... + 21181.

It is an arithmetic number, because the mean of its divisors is an integer number (2000736).

Almost surely, 2^14213221 is an apocalyptic number.

14213221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14213221 is a deficient number, since it is larger than the sum of its proper divisors (1792667).

14213221 is a wasteful number, since it uses less digits than its factorization.

14213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41723.

The product of its digits is 96, while the sum is 16.

The square root of 14213221 is about 3770.0425727039. The cubic root of 14213221 is about 242.2316214669.

Adding to 14213221 its reverse (12231241), we get a palindrome (26444462).

The spelling of 14213221 in words is "fourteen million, two hundred thirteen thousand, two hundred twenty-one".