224223431 has 2 divisors, whose sum is σ = 224223432. Its totient is φ = 224223430.

The previous prime is 224223413. The next prime is 224223437. The reversal of 224223431 is 134322422.

Together with previous prime (224223413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224223431 - 2¹⁰ = 224222407 is a prime.

It is a super-2 number, since 2×224223431² = 100552294018823522, 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 = 224223397 and 224223406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224223437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112111715 + 112111716.

It is an arithmetic number, because the mean of its divisors is an integer number (112111716).

Almost surely, 2^224223431 is an apocalyptic number.

224223431 is a deficient number, since it is larger than the sum of its proper divisors (1).

224223431 is an equidigital number, since it uses as much as digits as its factorization.

224223431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 224223431 is about 14974.0919925049. The cubic root of 224223431 is about 607.5196523079.

Adding to 224223431 its reverse (134322422), we get a palindrome (358545853).

The spelling of 224223431 in words is "two hundred twenty-four million, two hundred twenty-three thousand, four hundred thirty-one".