228760849 has 2 divisors, whose sum is σ = 228760850. Its totient is φ = 228760848.

The previous prime is 228760843. The next prime is 228760897. The reversal of 228760849 is 948067822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170772624 + 57988225 = 13068^2 + 7615^2 .

It is a cyclic number.

It is not a de Polignac number, because 228760849 - 2¹¹ = 228758801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228760799 and 228760808.

It is not a weakly prime, because it can be changed into another prime (228760843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114380424 + 114380425.

It is an arithmetic number, because the mean of its divisors is an integer number (114380425).

Almost surely, 2^228760849 is an apocalyptic number.

It is an amenable number.

228760849 is a deficient number, since it is larger than the sum of its proper divisors (1).

228760849 is an equidigital number, since it uses as much as digits as its factorization.

228760849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 228760849 is about 15124.8421148784. The cubic root of 228760849 is about 611.5902687371.

It can be divided in two parts, 2287 and 60849, that added together give a palindrome (63136).

The spelling of 228760849 in words is "two hundred twenty-eight million, seven hundred sixty thousand, eight hundred forty-nine".