14245221 has 4 divisors (see below), whose sum is σ = 18993632. Its totient is φ = 9496812.

The previous prime is 14245219. The next prime is 14245223. The reversal of 14245221 is 12254241.

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 an interprime number because it is at equal distance from previous prime (14245219) and next prime (14245223).

It is not a de Polignac number, because 14245221 - 2¹ = 14245219 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 (14245223) 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, 2374201 + ... + 2374206.

It is an arithmetic number, because the mean of its divisors is an integer number (4748408).

Almost surely, 2^14245221 is an apocalyptic number.

It is an amenable number.

14245221 is a deficient number, since it is larger than the sum of its proper divisors (4748411).

14245221 is an equidigital number, since it uses as much as digits as its factorization.

14245221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748410.

The product of its digits is 640, while the sum is 21.

The square root of 14245221 is about 3774.2841705415. The cubic root of 14245221 is about 242.4132739793.

Adding to 14245221 its reverse (12254241), we get a palindrome (26499462).

The spelling of 14245221 in words is "fourteen million, two hundred forty-five thousand, two hundred twenty-one".