228168536 has 16 divisors (see below), whose sum is σ = 428461800. Its totient is φ = 113912064.

The previous prime is 228168527. The next prime is 228168547. The reversal of 228168536 is 635861822.

228168536 is digitally balanced in base 2, 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 = 228168493 and 228168502.

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, 15806 + ... + 26573.

Almost surely, 2^228168536 is an apocalyptic number.

It is an amenable number.

228168536 is a deficient number, since it is larger than the sum of its proper divisors (200293264).

228168536 is a wasteful number, since it uses less digits than its factorization.

228168536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43058 (or 43054 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 228168536 is about 15105.2486242365. The cubic root of 228168536 is about 611.0619645129.

The spelling of 228168536 in words is "two hundred twenty-eight million, one hundred sixty-eight thousand, five hundred thirty-six".