14224521 has 16 divisors (see below), whose sum is σ = 20099840. Its totient is φ = 8922960.

The previous prime is 14224517. The next prime is 14224531. The reversal of 14224521 is 12542241.

It is not a de Polignac number, because 14224521 - 2² = 14224517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14224531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8526 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (1256240).

Almost surely, 2^14224521 is an apocalyptic number.

It is an amenable number.

14224521 is a deficient number, since it is larger than the sum of its proper divisors (5875319).

14224521 is a wasteful number, since it uses less digits than its factorization.

14224521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716.

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

The square root of 14224521 is about 3771.5409317678. The cubic root of 14224521 is about 242.2957986216.

Adding to 14224521 its reverse (12542241), we get a palindrome (26766762).

The spelling of 14224521 in words is "fourteen million, two hundred twenty-four thousand, five hundred twenty-one".