229998499 has 2 divisors, whose sum is σ = 229998500. Its totient is φ = 229998498.

The previous prime is 229998469. The next prime is 229998511. The reversal of 229998499 is 994899922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229998499 - 2²³ = 221609891 is a prime.

It is not a weakly prime, because it can be changed into another prime (229998469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114999249 + 114999250.

It is an arithmetic number, because the mean of its divisors is an integer number (114999250).

Almost surely, 2^229998499 is an apocalyptic number.

229998499 is a deficient number, since it is larger than the sum of its proper divisors (1).

229998499 is an equidigital number, since it uses as much as digits as its factorization.

229998499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 61.

The square root of 229998499 is about 15165.7014015178. The cubic root of 229998499 is about 612.6912346916.

The spelling of 229998499 in words is "two hundred twenty-nine million, nine hundred ninety-eight thousand, four hundred ninety-nine".