228456499 has 2 divisors, whose sum is σ = 228456500. Its totient is φ = 228456498.

The previous prime is 228456497. The next prime is 228456521. The reversal of 228456499 is 994654822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228456499 - 2¹ = 228456497 is a prime.

Together with 228456497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (228456497) 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, 114228249 + 114228250.

It is an arithmetic number, because the mean of its divisors is an integer number (114228250).

Almost surely, 2^228456499 is an apocalyptic number.

228456499 is a deficient number, since it is larger than the sum of its proper divisors (1).

228456499 is an equidigital number, since it uses as much as digits as its factorization.

228456499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 49.

The square root of 228456499 is about 15114.7775041514. Note that the first 3 decimals coincide. The cubic root of 228456499 is about 611.3189226163.

The spelling of 228456499 in words is "two hundred twenty-eight million, four hundred fifty-six thousand, four hundred ninety-nine".