14221224 has 32 divisors (see below), whose sum is σ = 39504000. Its totient is φ = 4740336.

The previous prime is 14221211. The next prime is 14221237. The reversal of 14221224 is 42212241.

It is an interprime number because it is at equal distance from previous prime (14221211) and next prime (14221237).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 14221197 and 14221206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32704 + ... + 33135.

It is an arithmetic number, because the mean of its divisors is an integer number (1234500).

Almost surely, 2^14221224 is an apocalyptic number.

It is an amenable number.

14221224 is an abundant number, since it is smaller than the sum of its proper divisors (25282776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14221224 is a wasteful number, since it uses less digits than its factorization.

14221224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65854 (or 65844 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 14221224 is about 3771.1038171867. The cubic root of 14221224 is about 242.2770771716.

Adding to 14221224 its reverse (42212241), we get a palindrome (56433465).

The spelling of 14221224 in words is "fourteen million, two hundred twenty-one thousand, two hundred twenty-four".