229689132 has 48 divisors (see below), whose sum is σ = 567635712. Its totient is φ = 72135360.

The previous prime is 229689071. The next prime is 229689133. The reversal of 229689132 is 231986922.

229689132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (229689133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12282 + ... + 24702.

It is an arithmetic number, because the mean of its divisors is an integer number (11825744).

Almost surely, 2^229689132 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 229689132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283817856).

229689132 is an abundant number, since it is smaller than the sum of its proper divisors (337946580).

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

229689132 is a wasteful number, since it uses less digits than its factorization.

229689132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12518 (or 12516 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 229689132 is about 15155.4984081686. The cubic root of 229689132 is about 612.4164046401.

The spelling of 229689132 in words is "two hundred twenty-nine million, six hundred eighty-nine thousand, one hundred thirty-two".