229069728 has 96 divisors (see below), whose sum is σ = 682456320. Its totient is φ = 74718720.

The previous prime is 229069699. The next prime is 229069733. The reversal of 229069728 is 827960922.

229069728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37788 + ... + 43428.

It is an arithmetic number, because the mean of its divisors is an integer number (7108920).

Almost surely, 2^229069728 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 229069728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341228160).

229069728 is an abundant number, since it is smaller than the sum of its proper divisors (453386592).

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

229069728 is a wasteful number, since it uses less digits than its factorization.

229069728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 229069728 is about 15135.0496530405. The cubic root of 229069728 is about 611.8654067726.

The spelling of 229069728 in words is "two hundred twenty-nine million, sixty-nine thousand, seven hundred twenty-eight".