14221155 has 32 divisors (see below), whose sum is σ = 24687936. Its totient is φ = 6948864.

The previous prime is 14221147. The next prime is 14221159. The reversal of 14221155 is 55112241.

It is not a de Polignac number, because 14221155 - 2³ = 14221147 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 45279 + ... + 45591.

It is an arithmetic number, because the mean of its divisors is an integer number (771498).

Almost surely, 2^14221155 is an apocalyptic number.

14221155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14221155 is a deficient number, since it is larger than the sum of its proper divisors (10466781).

14221155 is a wasteful number, since it uses less digits than its factorization.

14221155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 400, while the sum is 21.

The square root of 14221155 is about 3771.0946686605. The cubic root of 14221155 is about 242.2766853360.

Adding to 14221155 its reverse (55112241), we get a palindrome (69333396).

The spelling of 14221155 in words is "fourteen million, two hundred twenty-one thousand, one hundred fifty-five".