228496243 has 2 divisors, whose sum is σ = 228496244. Its totient is φ = 228496242.

The previous prime is 228496217. The next prime is 228496259. The reversal of 228496243 is 342694822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228496243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228496196 and 228496205.

It is not a weakly prime, because it can be changed into another prime (228496273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114248121 + 114248122.

It is an arithmetic number, because the mean of its divisors is an integer number (114248122).

Almost surely, 2^228496243 is an apocalyptic number.

228496243 is a deficient number, since it is larger than the sum of its proper divisors (1).

228496243 is an equidigital number, since it uses as much as digits as its factorization.

228496243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 228496243 is about 15116.0921868054. The cubic root of 228496243 is about 611.3543704304.

It can be divided in two parts, 22849 and 6243, that added together give a palindrome (29092).

The spelling of 228496243 in words is "two hundred twenty-eight million, four hundred ninety-six thousand, two hundred forty-three".