128682228 has 24 divisors (see below), whose sum is σ = 300576640. Its totient is φ = 42848640.

The previous prime is 128682227. The next prime is 128682241. The reversal of 128682228 is 822286821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128682221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7308 + ... + 17628.

Almost surely, 2^128682228 is an apocalyptic number.

It is an amenable number.

128682228 is an abundant number, since it is smaller than the sum of its proper divisors (171894412).

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

128682228 is a wasteful number, since it uses less digits than its factorization.

128682228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367 (or 11365 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 128682228 is about 11343.8189336748. The cubic root of 128682228 is about 504.8622020526.

The spelling of 128682228 in words is "one hundred twenty-eight million, six hundred eighty-two thousand, two hundred twenty-eight".