229278232499 has 2 divisors, whose sum is σ = 229278232500. Its totient is φ = 229278232498.

The previous prime is 229278232441. The next prime is 229278232537. The reversal of 229278232499 is 994232872922.

229278232499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229278232499 is a prime.

It is not a weakly prime, because it can be changed into another prime (229278232199) 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, 114639116249 + 114639116250.

It is an arithmetic number, because the mean of its divisors is an integer number (114639116250).

Almost surely, 2^229278232499 is an apocalyptic number.

229278232499 is a deficient number, since it is larger than the sum of its proper divisors (1).

229278232499 is an equidigital number, since it uses as much as digits as its factorization.

229278232499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 59.

The spelling of 229278232499 in words is "two hundred twenty-nine billion, two hundred seventy-eight million, two hundred thirty-two thousand, four hundred ninety-nine".