229338129528 has 48 divisors (see below), whose sum is σ = 621385432200. Its totient is φ = 76413879360.

The previous prime is 229338129491. The next prime is 229338129547. The reversal of 229338129528 is 825921833922.

229338129528 is a `hidden beast` number, since 2 + 2 + 9 + 33 + 81 + 2 + 9 + 528 = 666.

229338129528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497458 + ... + 840321.

Almost surely, 2^229338129528 is an apocalyptic number.

It is an amenable number.

229338129528 is an abundant number, since it is smaller than the sum of its proper divisors (392047302672).

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

229338129528 is a wasteful number, since it uses less digits than its factorization.

229338129528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340172 (or 1340165 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 229338129528 in words is "two hundred twenty-nine billion, three hundred thirty-eight million, one hundred twenty-nine thousand, five hundred twenty-eight".