12262231 has 4 divisors (see below), whose sum is σ = 12358912. Its totient is φ = 12165552.

The previous prime is 12262199. The next prime is 12262259. The reversal of 12262231 is 13226221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13226221 = 17 ⋅778013.

It is a cyclic number.

It is not a de Polignac number, because 12262231 - 2⁵ = 12262199 is a prime.

It is a super-2 number, since 2×12262231² = 300724618194722, 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 = 12262199 and 12262208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12262291) 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, 48150 + ... + 48403.

It is an arithmetic number, because the mean of its divisors is an integer number (3089728).

Almost surely, 2^12262231 is an apocalyptic number.

12262231 is a deficient number, since it is larger than the sum of its proper divisors (96681).

12262231 is an equidigital number, since it uses as much as digits as its factorization.

12262231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96680.

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

The square root of 12262231 is about 3501.7468497880. The cubic root of 12262231 is about 230.5985105065.

Adding to 12262231 its reverse (13226221), we get a palindrome (25488452).

The spelling of 12262231 in words is "twelve million, two hundred sixty-two thousand, two hundred thirty-one".