229531776 has 128 divisors (see below), whose sum is σ = 637459200. Its totient is φ = 73113600.

The previous prime is 229531763. The next prime is 229531793. The reversal of 229531776 is 677135922.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960265 + ... + 960503.

It is an arithmetic number, because the mean of its divisors is an integer number (4980150).

Almost surely, 2^229531776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229531776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318729600).

229531776 is an abundant number, since it is smaller than the sum of its proper divisors (407927424).

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

229531776 is a wasteful number, since it uses less digits than its factorization.

229531776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 346 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 229531776 is about 15150.3061355208. The cubic root of 229531776 is about 612.2765207750.

The spelling of 229531776 in words is "two hundred twenty-nine million, five hundred thirty-one thousand, seven hundred seventy-six".