224302231 has 2 divisors, whose sum is σ = 224302232. Its totient is φ = 224302230.

The previous prime is 224302223. The next prime is 224302303. The reversal of 224302231 is 132203422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224302231 - 2³ = 224302223 is a prime.

It is a super-2 number, since 2×224302231² = 100622981663154722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224302199 and 224302208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224302031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112151115 + 112151116.

It is an arithmetic number, because the mean of its divisors is an integer number (112151116).

Almost surely, 2^224302231 is an apocalyptic number.

224302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

224302231 is an equidigital number, since it uses as much as digits as its factorization.

224302231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 224302231 is about 14976.7229726666. The cubic root of 224302231 is about 607.5908118970.

Adding to 224302231 its reverse (132203422), we get a palindrome (356505653).

The spelling of 224302231 in words is "two hundred twenty-four million, three hundred two thousand, two hundred thirty-one".