14420221 has 8 divisors (see below), whose sum is σ = 15703200. Its totient is φ = 13189680.

The previous prime is 14420143. The next prime is 14420251. The reversal of 14420221 is 12202441.

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 14420221 - 2¹³ = 14412029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14420195 and 14420204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12535 + ... + 13636.

It is an arithmetic number, because the mean of its divisors is an integer number (1962900).

Almost surely, 2^14420221 is an apocalyptic number.

It is an amenable number.

14420221 is a deficient number, since it is larger than the sum of its proper divisors (1282979).

14420221 is a wasteful number, since it uses less digits than its factorization.

14420221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26219.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 14420221 is about 3797.3966082041. The cubic root of 14420221 is about 243.4019045297.

Adding to 14420221 its reverse (12202441), we get a palindrome (26622662).

It can be divided in two parts, 14420 and 221, that added together give a palindrome (14641).

The spelling of 14420221 in words is "fourteen million, four hundred twenty thousand, two hundred twenty-one".