228952528 has 80 divisors (see below), whose sum is σ = 527216256. Its totient is φ = 94279680.

The previous prime is 228952519. The next prime is 228952531. The reversal of 228952528 is 825259822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334875 + ... + 335557.

Almost surely, 2^228952528 is an apocalyptic number.

228952528 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 228952528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263608128).

228952528 is an abundant number, since it is smaller than the sum of its proper divisors (298263728).

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

228952528 is a wasteful number, since it uses less digits than its factorization.

228952528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 806 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 228952528 is about 15131.1773500941. The cubic root of 228952528 is about 611.7610384657.

The spelling of 228952528 in words is "two hundred twenty-eight million, nine hundred fifty-two thousand, five hundred twenty-eight".