14404221 has 12 divisors (see below), whose sum is σ = 22406748. Its totient is φ = 8864064.

The previous prime is 14404199. The next prime is 14404237. The reversal of 14404221 is 12240441.

14404221 is a `hidden beast` number, since 1 + 440 + 4 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7901721 + 6502500 = 2811^2 + 2550^2 .

It is not a de Polignac number, because 14404221 - 2⁵ = 14404189 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 14404194 and 14404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14404021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61440 + ... + 61673.

It is an arithmetic number, because the mean of its divisors is an integer number (1867229).

Almost surely, 2^14404221 is an apocalyptic number.

It is an amenable number.

14404221 is a deficient number, since it is larger than the sum of its proper divisors (8002527).

14404221 is a wasteful number, since it uses less digits than its factorization.

14404221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123132 (or 123129 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 14404221 is about 3795.2893170350. The cubic root of 14404221 is about 243.3118487735.

Adding to 14404221 its reverse (12240441), we get a palindrome (26644662).

The spelling of 14404221 in words is "fourteen million, four hundred four thousand, two hundred twenty-one".