14215231 has 4 divisors (see below), whose sum is σ = 14260392. Its totient is φ = 14170072.

The previous prime is 14215199. The next prime is 14215261. The reversal of 14215231 is 13251241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13251241 = 41 ⋅323201.

It is a cyclic number.

It is not a de Polignac number, because 14215231 - 2⁵ = 14215199 is a prime.

It is a super-2 number, since 2×14215231² = 404145584766722, 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 = 14215199 and 14215208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14215261) 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, 22105 + ... + 22738.

It is an arithmetic number, because the mean of its divisors is an integer number (3565098).

Almost surely, 2^14215231 is an apocalyptic number.

14215231 is a deficient number, since it is larger than the sum of its proper divisors (45161).

14215231 is an equidigital number, since it uses as much as digits as its factorization.

14215231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45160.

The product of its digits is 240, while the sum is 19.

The square root of 14215231 is about 3770.3091385190. The cubic root of 14215231 is about 242.2430395358.

Adding to 14215231 its reverse (13251241), we get a palindrome (27466472).

The spelling of 14215231 in words is "fourteen million, two hundred fifteen thousand, two hundred thirty-one".