228525028 has 12 divisors (see below), whose sum is σ = 401011072. Its totient is φ = 113950440.

The previous prime is 228525019. The next prime is 228525041. The reversal of 228525028 is 820525822.

228525028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228524984 and 228525002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76368 + ... + 79303.

Almost surely, 2^228525028 is an apocalyptic number.

It is an amenable number.

228525028 is a deficient number, since it is larger than the sum of its proper divisors (172486044).

228525028 is a wasteful number, since it uses less digits than its factorization.

228525028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156042 (or 156040 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 228525028 is about 15117.0442878229. The cubic root of 228525028 is about 611.3800413070.

The spelling of 228525028 in words is "two hundred twenty-eight million, five hundred twenty-five thousand, twenty-eight".