229940609 has 4 divisors (see below), whose sum is σ = 237358080. Its totient is φ = 222523140.

The previous prime is 229940593. The next prime is 229940617. The reversal of 229940609 is 906049922.

229940609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229940609 - 2⁴ = 229940593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229940629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3708689 + ... + 3708750.

It is an arithmetic number, because the mean of its divisors is an integer number (59339520).

Almost surely, 2^229940609 is an apocalyptic number.

It is an amenable number.

229940609 is a deficient number, since it is larger than the sum of its proper divisors (7417471).

229940609 is an equidigital number, since it uses as much as digits as its factorization.

229940609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417470.

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

The square root of 229940609 is about 15163.7926983984. The cubic root of 229940609 is about 612.6398261361.

The spelling of 229940609 in words is "two hundred twenty-nine million, nine hundred forty thousand, six hundred nine".