229310429 has 2 divisors, whose sum is σ = 229310430. Its totient is φ = 229310428.

The previous prime is 229310401. The next prime is 229310479. The reversal of 229310429 is 924013922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151905625 + 77404804 = 12325^2 + 8798^2 .

It is a cyclic number.

It is not a de Polignac number, because 229310429 - 2¹² = 229306333 is a prime.

It is equal to p_12606674 and since 229310429 and 12606674 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 229310395 and 229310404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229310479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114655214 + 114655215.

It is an arithmetic number, because the mean of its divisors is an integer number (114655215).

Almost surely, 2^229310429 is an apocalyptic number.

It is an amenable number.

229310429 is a deficient number, since it is larger than the sum of its proper divisors (1).

229310429 is an equidigital number, since it uses as much as digits as its factorization.

229310429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 229310429 is about 15142.9993396289. Note that the first 3 decimals coincide. The cubic root of 229310429 is about 612.0796429380.

The spelling of 229310429 in words is "two hundred twenty-nine million, three hundred ten thousand, four hundred twenty-nine".