229488709 has 6 divisors (see below), whose sum is σ = 231753830. Its totient is φ = 227226600.

The previous prime is 229488671. The next prime is 229488719. The reversal of 229488709 is 907884922.

It can be written as a sum of positive squares in only one way, i.e., 210540100 + 18948609 = 14510^2 + 4353^2 .

It is not a de Polignac number, because 229488709 - 2²¹ = 227391557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229488719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157434 + ... + 158884.

Almost surely, 2^229488709 is an apocalyptic number.

It is an amenable number.

229488709 is a deficient number, since it is larger than the sum of its proper divisors (2265121).

229488709 is an frugal number, since it uses more digits than its factorization.

229488709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 229488709 is about 15148.8847444292. The cubic root of 229488709 is about 612.2382246071.

The spelling of 229488709 in words is "two hundred twenty-nine million, four hundred eighty-eight thousand, seven hundred nine".