14221553 has 4 divisors (see below), whose sum is σ = 14306880. Its totient is φ = 14136228.

The previous prime is 14221523. The next prime is 14221561. The reversal of 14221553 is 35512241.

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 a cyclic number.

It is not a de Polignac number, because 14221553 - 2⁶ = 14221489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14221523) 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, 42413 + ... + 42746.

It is an arithmetic number, because the mean of its divisors is an integer number (3576720).

Almost surely, 2^14221553 is an apocalyptic number.

It is an amenable number.

14221553 is a deficient number, since it is larger than the sum of its proper divisors (85327).

14221553 is an equidigital number, since it uses as much as digits as its factorization.

14221553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85326.

The product of its digits is 1200, while the sum is 23.

The square root of 14221553 is about 3771.1474381148. The cubic root of 14221553 is about 242.2789454717.

Adding to 14221553 its reverse (35512241), we get a palindrome (49733794).

The spelling of 14221553 in words is "fourteen million, two hundred twenty-one thousand, five hundred fifty-three".