14421331 has 4 divisors (see below), whose sum is σ = 14494000. Its totient is φ = 14348664.

The previous prime is 14421317. The next prime is 14421347. The reversal of 14421331 is 13312441.

14421331 = 164² + 165² + ... + 362².

14421331 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.

It is a cyclic number.

It is not a de Polignac number, because 14421331 - 2⁷ = 14421203 is a prime.

It is a super-2 number, since 2×14421331² = 415949575623122, 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 = 14421299 and 14421308.

It is not an unprimeable number, because it can be changed into a prime (14421301) 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, 36036 + ... + 36433.

It is an arithmetic number, because the mean of its divisors is an integer number (3623500).

Almost surely, 2^14421331 is an apocalyptic number.

14421331 is a deficient number, since it is larger than the sum of its proper divisors (72669).

14421331 is an equidigital number, since it uses as much as digits as its factorization.

14421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72668.

The product of its digits is 288, while the sum is 19.

The square root of 14421331 is about 3797.5427581530. The cubic root of 14421331 is about 243.4081496762.

Adding to 14421331 its reverse (13312441), we get a palindrome (27733772).

The spelling of 14421331 in words is "fourteen million, four hundred twenty-one thousand, three hundred thirty-one".