229912109 has 8 divisors (see below), whose sum is σ = 268347648. Its totient is φ = 192874320.

The previous prime is 229912091. The next prime is 229912139. The reversal of 229912109 is 901219922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229912109 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 (229912139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349082 + ... + 349739.

It is an arithmetic number, because the mean of its divisors is an integer number (33543456).

Almost surely, 2^229912109 is an apocalyptic number.

It is an amenable number.

229912109 is a deficient number, since it is larger than the sum of its proper divisors (38435539).

229912109 is an equidigital number, since it uses as much as digits as its factorization.

229912109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698875.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 229912109 is about 15162.8529307647. The cubic root of 229912109 is about 612.6145138660.

The spelling of 229912109 in words is "two hundred twenty-nine million, nine hundred twelve thousand, one hundred nine".