229239152 has 20 divisors (see below), whose sum is σ = 470277936. Its totient is φ = 107877120.

The previous prime is 229239133. The next prime is 229239173. The reversal of 229239152 is 251932922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421124 + ... + 421667.

Almost surely, 2^229239152 is an apocalyptic number.

It is an amenable number.

229239152 is an abundant number, since it is smaller than the sum of its proper divisors (241038784).

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

229239152 is a wasteful number, since it uses less digits than its factorization.

229239152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842816 (or 842810 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 229239152 is about 15140.6456929683. The cubic root of 229239152 is about 612.0162184034.

The spelling of 229239152 in words is "two hundred twenty-nine million, two hundred thirty-nine thousand, one hundred fifty-two".