14454041221 has 4 divisors (see below), whose sum is σ = 14459138892. Its totient is φ = 14448943552.

The previous prime is 14454041201. The next prime is 14454041267. The reversal of 14454041221 is 12214045441.

It is a happy number.

14454041221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8387812225 + 6066228996 = 91585^2 + 77886^2 .

It is a cyclic number.

It is not a de Polignac number, because 14454041221 - 2⁷ = 14454041093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14454041221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14454041201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2544580 + ... + 2550253.

It is an arithmetic number, because the mean of its divisors is an integer number (3614784723).

Almost surely, 2^14454041221 is an apocalyptic number.

It is an amenable number.

14454041221 is a deficient number, since it is larger than the sum of its proper divisors (5097671).

14454041221 is an equidigital number, since it uses as much as digits as its factorization.

14454041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097670.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 14454041221 its reverse (12214045441), we get a palindrome (26668086662).

It can be divided in two parts, 144540 and 41221, that added together give a square (185761 = 431²).

The spelling of 14454041221 in words is "fourteen billion, four hundred fifty-four million, forty-one thousand, two hundred twenty-one".