229323661 has 8 divisors (see below), whose sum is σ = 262186560. Its totient is φ = 196486368.

The previous prime is 229323641. The next prime is 229323671. The reversal of 229323661 is 166323922.

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

It is a cyclic number.

It is not a de Polignac number, because 229323661 - 2⁷ = 229323533 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 (229323641) 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, 20145 + ... + 29401.

It is an arithmetic number, because the mean of its divisors is an integer number (32773320).

Almost surely, 2^229323661 is an apocalyptic number.

It is an amenable number.

229323661 is a deficient number, since it is larger than the sum of its proper divisors (32862899).

229323661 is an equidigital number, since it uses as much as digits as its factorization.

229323661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803.

The product of its digits is 23328, while the sum is 34.

The square root of 229323661 is about 15143.4362348841. The cubic root of 229323661 is about 612.0914157447.

The spelling of 229323661 in words is "two hundred twenty-nine million, three hundred twenty-three thousand, six hundred sixty-one".