229773309 has 16 divisors (see below), whose sum is σ = 327737088. Its totient is φ = 142682112.

The previous prime is 229773281. The next prime is 229773319. The reversal of 229773309 is 903377922.

It is not a de Polignac number, because 229773309 - 2⁸ = 229773053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229773319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18277 + ... + 28170.

It is an arithmetic number, because the mean of its divisors is an integer number (20483568).

Almost surely, 2^229773309 is an apocalyptic number.

It is an amenable number.

229773309 is a deficient number, since it is larger than the sum of its proper divisors (97963779).

229773309 is a wasteful number, since it uses less digits than its factorization.

229773309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46564.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 229773309 is about 15158.2752646863. The cubic root of 229773309 is about 612.4912087590.

The spelling of 229773309 in words is "two hundred twenty-nine million, seven hundred seventy-three thousand, three hundred nine".