229543172 has 6 divisors (see below), whose sum is σ = 401700558. Its totient is φ = 114771584.

The previous prime is 229543121. The next prime is 229543201. The reversal of 229543172 is 271345922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 223323136 + 6220036 = 14944^2 + 2494^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28692893 + ... + 28692900.

It is an arithmetic number, because the mean of its divisors is an integer number (66950093).

Almost surely, 2^229543172 is an apocalyptic number.

It is an amenable number.

229543172 is a deficient number, since it is larger than the sum of its proper divisors (172157386).

229543172 is a wasteful number, since it uses less digits than its factorization.

229543172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57385797 (or 57385795 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 229543172 is about 15150.6822288635. The cubic root of 229543172 is about 612.2866535590.

The spelling of 229543172 in words is "two hundred twenty-nine million, five hundred forty-three thousand, one hundred seventy-two".