12224831 has 2 divisors, whose sum is σ = 12224832. Its totient is φ = 12224830.

The previous prime is 12224791. The next prime is 12224843. The reversal of 12224831 is 13842221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12224831 - 2⁶ = 12224767 is a prime.

It is a super-2 number, since 2×12224831² = 298892985957122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12224797 and 12224806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12224731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112415 + 6112416.

It is an arithmetic number, because the mean of its divisors is an integer number (6112416).

Almost surely, 2^12224831 is an apocalyptic number.

12224831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224831 is an equidigital number, since it uses as much as digits as its factorization.

12224831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 12224831 is about 3496.4025797954. The cubic root of 12224831 is about 230.3638287059.

The spelling of 12224831 in words is "twelve million, two hundred twenty-four thousand, eight hundred thirty-one".