228557356 has 12 divisors (see below), whose sum is σ = 400090768. Its totient is φ = 114245712.

The previous prime is 228557353. The next prime is 228557363. The reversal of 228557356 is 653755822.

228557356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (228557353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14065 + ... + 25591.

Almost surely, 2^228557356 is an apocalyptic number.

It is an amenable number.

228557356 is a deficient number, since it is larger than the sum of its proper divisors (171533412).

228557356 is a wasteful number, since it uses less digits than its factorization.

228557356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16488 (or 16486 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 228557356 is about 15118.1135066515. The cubic root of 228557356 is about 611.4088693122.

The spelling of 228557356 in words is "two hundred twenty-eight million, five hundred fifty-seven thousand, three hundred fifty-six".