228945750 has 64 divisors (see below), whose sum is σ = 623420928. Its totient is φ = 55500000.

The previous prime is 228945733. The next prime is 228945781. The reversal of 228945750 is 57549822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5626 + ... + 22125.

It is an arithmetic number, because the mean of its divisors is an integer number (9740952).

Almost surely, 2^228945750 is an apocalyptic number.

228945750 is an abundant number, since it is smaller than the sum of its proper divisors (394475178).

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

228945750 is a wasteful number, since it uses less digits than its factorization.

228945750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782 (or 27772 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 228945750 is about 15130.9533737964. The cubic root of 228945750 is about 611.7550014686.

The spelling of 228945750 in words is "two hundred twenty-eight million, nine hundred forty-five thousand, seven hundred fifty".