229729472 has 56 divisors (see below), whose sum is σ = 527669760. Its totient is φ = 97194240.

The previous prime is 229729459. The next prime is 229729481. The reversal of 229729472 is 274927922.

229729472 is digitally balanced in base 3, 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 (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32147 + ... + 38637.

Almost surely, 2^229729472 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 229729472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263834880).

229729472 is an abundant number, since it is smaller than the sum of its proper divisors (297940288).

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

229729472 is an equidigital number, since it uses as much as digits as its factorization.

229729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589 (or 6579 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 229729472 is about 15156.8292198599. The cubic root of 229729472 is about 612.4522551705.

The spelling of 229729472 in words is "two hundred twenty-nine million, seven hundred twenty-nine thousand, four hundred seventy-two".