232089228 has 108 divisors (see below), whose sum is σ = 701301328. Its totient is φ = 63391680.

The previous prime is 232089217. The next prime is 232089229. The reversal of 232089228 is 822980232.

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 = 232089192 and 232089201.

It is not an unprimeable number, because it can be changed into a prime (232089229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 132438 + ... + 134178.

Almost surely, 2^232089228 is an apocalyptic number.

232089228 is a gapful number since it is divisible by the number (28) 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 232089228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350650664).

232089228 is an abundant number, since it is smaller than the sum of its proper divisors (469212100).

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

232089228 is a wasteful number, since it uses less digits than its factorization.

232089228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 232089228 is about 15234.4749827488. The cubic root of 232089228 is about 614.5421299500.

The spelling of 232089228 in words is "two hundred thirty-two million, eighty-nine thousand, two hundred twenty-eight".