14221151 has 4 divisors (see below), whose sum is σ = 16252752. Its totient is φ = 12189552.

The previous prime is 14221147. The next prime is 14221159. The reversal of 14221151 is 15112241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15112241 = 73 ⋅207017.

It is a cyclic number.

It is not a de Polignac number, because 14221151 - 2² = 14221147 is a prime.

It is a super-2 number, since 2×14221151² = 404482271529602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1015790 + ... + 1015803.

It is an arithmetic number, because the mean of its divisors is an integer number (4063188).

Almost surely, 2^14221151 is an apocalyptic number.

14221151 is a deficient number, since it is larger than the sum of its proper divisors (2031601).

14221151 is an equidigital number, since it uses as much as digits as its factorization.

14221151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031600.

The product of its digits is 80, while the sum is 17.

The square root of 14221151 is about 3771.0941383105. The cubic root of 14221151 is about 242.2766626208.

Adding to 14221151 its reverse (15112241), we get a palindrome (29333392).

The spelling of 14221151 in words is "fourteen million, two hundred twenty-one thousand, one hundred fifty-one".