228625528 has 16 divisors (see below), whose sum is σ = 430830000. Its totient is φ = 113737536.

The previous prime is 228625513. The next prime is 228625541. The reversal of 228625528 is 825526822.

It is a happy number.

It is a congruent number.

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, 70213 + ... + 73396.

It is an arithmetic number, because the mean of its divisors is an integer number (26926875).

Almost surely, 2^228625528 is an apocalyptic number.

It is an amenable number.

228625528 is a deficient number, since it is larger than the sum of its proper divisors (202204472).

228625528 is a wasteful number, since it uses less digits than its factorization.

228625528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143814 (or 143810 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The square root of 228625528 is about 15120.3679849400. The cubic root of 228625528 is about 611.4696517532.

The spelling of 228625528 in words is "two hundred twenty-eight million, six hundred twenty-five thousand, five hundred twenty-eight".