228852500 has 30 divisors (see below), whose sum is σ = 500460114. Its totient is φ = 91540000.

The previous prime is 228852479. The next prime is 228852523. The reversal of 228852500 is 5258822.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 114875524 + 113976976 = 10718^2 + 10676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 43271 + ... + 48270.

Almost surely, 2^228852500 is an apocalyptic number.

228852500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228852500 is an abundant number, since it is smaller than the sum of its proper divisors (271607614).

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

228852500 is an equidigital number, since it uses as much as digits as its factorization.

228852500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91565 (or 91548 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 228852500 is about 15127.8716282232. The cubic root of 228852500 is about 611.6719338996.

The spelling of 228852500 in words is "two hundred twenty-eight million, eight hundred fifty-two thousand, five hundred".