228268038 has 16 divisors (see below), whose sum is σ = 457145136. Its totient is φ = 75987840.

The previous prime is 228268013. The next prime is 228268067. The reversal of 228268038 is 830862822.

It is a junction number, because it is equal to n+sod(n) for n = 228267987 and 228268005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20431 + ... + 29562.

It is an arithmetic number, because the mean of its divisors is an integer number (28571571).

Almost surely, 2^228268038 is an apocalyptic number.

228268038 is an abundant number, since it is smaller than the sum of its proper divisors (228877098).

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

228268038 is a wasteful number, since it uses less digits than its factorization.

228268038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50759.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 228268038 is about 15108.5418886139. The cubic root of 228268038 is about 611.1507775930.

The spelling of 228268038 in words is "two hundred twenty-eight million, two hundred sixty-eight thousand, thirty-eight".