229188 has 24 divisors (see below), whose sum is σ = 544320. Its totient is φ = 75040.

The previous prime is 229181. The next prime is 229189. The reversal of 229188 is 881922.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (229181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2²²⁹¹⁸⁸ is an apocalyptic number.

It is an amenable number.

229188 is an abundant number, since it is smaller than the sum of its proper divisors (315132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229188 is a wasteful number, since it uses less digits than its factorization.

229188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 229188 is about 478.7358352996. The cubic root of 229188 is about 61.1970693628.

The spelling of 229188 in words is "two hundred twenty-nine thousand, one hundred eighty-eight".