228503752 has 8 divisors (see below), whose sum is σ = 428444550. Its totient is φ = 114251872.

The previous prime is 228503729. The next prime is 228503767. The reversal of 228503752 is 257305822.

228503752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 228432996 + 70756 = 15114^2 + 266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14281477 + ... + 14281492.

Almost surely, 2^228503752 is an apocalyptic number.

It is an amenable number.

228503752 is a deficient number, since it is larger than the sum of its proper divisors (199940798).

228503752 is a wasteful number, since it uses less digits than its factorization.

228503752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28562975 (or 28562971 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 228503752 is about 15116.3405624510. The cubic root of 228503752 is about 611.3610672723.

The spelling of 228503752 in words is "two hundred twenty-eight million, five hundred three thousand, seven hundred fifty-two".