14224431 has 16 divisors (see below), whose sum is σ = 20492640. Its totient is φ = 8724480.

The previous prime is 14224423. The next prime is 14224439. The reversal of 14224431 is 13442241.

14224431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14224423) and next prime (14224439).

It is not a de Polignac number, because 14224431 - 2³ = 14224423 is a prime.

It is a super-2 number, since 2×14224431² = 404668874547522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14224398 and 14224407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14224439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21871 + ... + 22511.

It is an arithmetic number, because the mean of its divisors is an integer number (1280790).

Almost surely, 2^14224431 is an apocalyptic number.

14224431 is a deficient number, since it is larger than the sum of its proper divisors (6268209).

14224431 is a wasteful number, since it uses less digits than its factorization.

14224431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its digits is 768, while the sum is 21.

The square root of 14224431 is about 3771.5290002862. The cubic root of 14224431 is about 242.2952876104.

Adding to 14224431 its reverse (13442241), we get a palindrome (27666672).

The spelling of 14224431 in words is "fourteen million, two hundred twenty-four thousand, four hundred thirty-one".