229319429 has 2 divisors, whose sum is σ = 229319430. Its totient is φ = 229319428.

The previous prime is 229319423. The next prime is 229319449. The reversal of 229319429 is 924913922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179292100 + 50027329 = 13390^2 + 7073^2 .

It is a cyclic number.

It is not a de Polignac number, because 229319429 - 2⁴ = 229319413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229319423) 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, 114659714 + 114659715.

It is an arithmetic number, because the mean of its divisors is an integer number (114659715).

Almost surely, 2^229319429 is an apocalyptic number.

It is an amenable number.

229319429 is a deficient number, since it is larger than the sum of its proper divisors (1).

229319429 is an equidigital number, since it uses as much as digits as its factorization.

229319429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 229319429 is about 15143.2965037339. The cubic root of 229319429 is about 612.0876504888.

The spelling of 229319429 in words is "two hundred twenty-nine million, three hundred nineteen thousand, four hundred twenty-nine".