229688156 has 24 divisors (see below), whose sum is σ = 437106096. Its totient is φ = 105166080.

The previous prime is 229688111. The next prime is 229688159. The reversal of 229688156 is 651886922.

229688156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 229688156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229688159) 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, 43130 + ... + 48161.

It is an arithmetic number, because the mean of its divisors is an integer number (18212754).

Almost surely, 2^229688156 is an apocalyptic number.

It is an amenable number.

229688156 is a deficient number, since it is larger than the sum of its proper divisors (207417940).

229688156 is a wasteful number, since it uses less digits than its factorization.

229688156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91349 (or 91347 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 229688156 is about 15155.4662085995. The cubic root of 229688156 is about 612.4155372079.

The spelling of 229688156 in words is "two hundred twenty-nine million, six hundred eighty-eight thousand, one hundred fifty-six".