229318403 has 2 divisors, whose sum is σ = 229318404. Its totient is φ = 229318402.

The previous prime is 229318363. The next prime is 229318417. The reversal of 229318403 is 304813922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229318403 - 2⁸ = 229318147 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229318403.

It is not a weakly prime, because it can be changed into another prime (229315403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114659201 + 114659202.

It is an arithmetic number, because the mean of its divisors is an integer number (114659202).

Almost surely, 2^229318403 is an apocalyptic number.

229318403 is a deficient number, since it is larger than the sum of its proper divisors (1).

229318403 is an equidigital number, since it uses as much as digits as its factorization.

229318403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 229318403 is about 15143.2626273204. The cubic root of 229318403 is about 612.0867376386.

The spelling of 229318403 in words is "two hundred twenty-nine million, three hundred eighteen thousand, four hundred three".