14221533 has 4 divisors (see below), whose sum is σ = 18962048. Its totient is φ = 9481020.

The previous prime is 14221523. The next prime is 14221561. The reversal of 14221533 is 33512241.

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 not a de Polignac number, because 14221533 - 2⁴ = 14221517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221523) 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 3 ways as a sum of consecutive naturals, for example, 2370253 + ... + 2370258.

It is an arithmetic number, because the mean of its divisors is an integer number (4740512).

Almost surely, 2^14221533 is an apocalyptic number.

It is an amenable number.

14221533 is a deficient number, since it is larger than the sum of its proper divisors (4740515).

14221533 is an equidigital number, since it uses as much as digits as its factorization.

14221533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740514.

The product of its digits is 720, while the sum is 21.

The square root of 14221533 is about 3771.1447864011. The cubic root of 14221533 is about 242.2788318981.

Adding to 14221533 its reverse (33512241), we get a palindrome (47733774).

The spelling of 14221533 in words is "fourteen million, two hundred twenty-one thousand, five hundred thirty-three".