229116528 has 120 divisors (see below), whose sum is σ = 663770016. Its totient is φ = 73728000.

The previous prime is 229116479. The next prime is 229116541. The reversal of 229116528 is 825611922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 229116492 and 229116501.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 891376 + ... + 891632.

Almost surely, 2^229116528 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 229116528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331885008).

229116528 is an abundant number, since it is smaller than the sum of its proper divisors (434653488).

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

229116528 is a wasteful number, since it uses less digits than its factorization.

229116528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 454 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 229116528 is about 15136.5956542414. The cubic root of 229116528 is about 611.9070729083.

The spelling of 229116528 in words is "two hundred twenty-nine million, one hundred sixteen thousand, five hundred twenty-eight".