229609536 has 112 divisors (see below), whose sum is σ = 664488384. Its totient is φ = 69543936.

The previous prime is 229609519. The next prime is 229609577. The reversal of 229609536 is 635906922.

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, 166546 + ... + 167918.

It is an arithmetic number, because the mean of its divisors is an integer number (5932932).

Almost surely, 2^229609536 is an apocalyptic number.

229609536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229609536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332244192).

229609536 is an abundant number, since it is smaller than the sum of its proper divisors (434878848).

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

229609536 is a wasteful number, since it uses less digits than its factorization.

229609536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 229609536 is about 15152.8722029851. The cubic root of 229609536 is about 612.3456546260.

The spelling of 229609536 in words is "two hundred twenty-nine million, six hundred nine thousand, five hundred thirty-six".