228135250 has 32 divisors (see below), whose sum is σ = 488082816. Its totient is φ = 78217200.

The previous prime is 228135247. The next prime is 228135251. The reversal of 228135250 is 52531822.

228135250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228135251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63432 + ... + 66931.

It is an arithmetic number, because the mean of its divisors is an integer number (15252588).

Almost surely, 2^228135250 is an apocalyptic number.

228135250 is an abundant number, since it is smaller than the sum of its proper divisors (259947566).

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

228135250 is a wasteful number, since it uses less digits than its factorization.

228135250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130387 (or 130377 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 228135250 is about 15104.1467815961. The cubic root of 228135250 is about 611.0322484705.

The spelling of 228135250 in words is "two hundred twenty-eight million, one hundred thirty-five thousand, two hundred fifty".