14221154 has 4 divisors (see below), whose sum is σ = 21331734. Its totient is φ = 7110576.

The previous prime is 14221147. The next prime is 14221159. The reversal of 14221154 is 45112241.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 13890529 + 330625 = 3727^2 + 575^2 .

It is not an unprimeable number, because it can be changed into a prime (14221159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3555287 + ... + 3555290.

Almost surely, 2^14221154 is an apocalyptic number.

14221154 is a deficient number, since it is larger than the sum of its proper divisors (7110580).

14221154 is an equidigital number, since it uses as much as digits as its factorization.

14221154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110579.

The product of its digits is 320, while the sum is 20.

The square root of 14221154 is about 3771.0945360730. The cubic root of 14221154 is about 242.2766796572.

Adding to 14221154 its reverse (45112241), we get a palindrome (59333395).

The spelling of 14221154 in words is "fourteen million, two hundred twenty-one thousand, one hundred fifty-four".