229724409 has 8 divisors (see below), whose sum is σ = 306510880. Its totient is φ = 153043776.

The previous prime is 229724387. The next prime is 229724471. The reversal of 229724409 is 904427922.

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

It is not a de Polignac number, because 229724409 - 2⁵ = 229724377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229724489) 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, 21247 + ... + 30180.

It is an arithmetic number, because the mean of its divisors is an integer number (38313860).

Almost surely, 2^229724409 is an apocalyptic number.

It is an amenable number.

229724409 is a deficient number, since it is larger than the sum of its proper divisors (76786471).

229724409 is a wasteful number, since it uses less digits than its factorization.

229724409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52919.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 229724409 is about 15156.6621985185. The cubic root of 229724409 is about 612.4477558660.

The spelling of 229724409 in words is "two hundred twenty-nine million, seven hundred twenty-four thousand, four hundred nine".