14255221 has 4 divisors (see below), whose sum is σ = 14450572. Its totient is φ = 14059872.

The previous prime is 14255207. The next prime is 14255233. The reversal of 14255221 is 12255241.

14255221 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, and also an emirpimes, since its reverse is a distinct semiprime: 12255241 = 1721 ⋅7121.

It can be written as a sum of positive squares in 2 ways, for example, as 9696996 + 4558225 = 3114^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 14255221 - 2⁷ = 14255093 is a prime.

It is a super-2 number, since 2×14255221² = 406422651517682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14255192 and 14255201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14255281) 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, 97566 + ... + 97711.

It is an arithmetic number, because the mean of its divisors is an integer number (3612643).

Almost surely, 2^14255221 is an apocalyptic number.

It is an amenable number.

14255221 is a deficient number, since it is larger than the sum of its proper divisors (195351).

14255221 is an equidigital number, since it uses as much as digits as its factorization.

14255221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195350.

The product of its digits is 800, while the sum is 22.

The square root of 14255221 is about 3775.6086926481. The cubic root of 14255221 is about 242.4699845941.

The spelling of 14255221 in words is "fourteen million, two hundred fifty-five thousand, two hundred twenty-one".