228755480 has 32 divisors (see below), whose sum is σ = 532450800. Its totient is φ = 88346496.

The previous prime is 228755477. The next prime is 228755491. The reversal of 228755480 is 84557822.

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, 97442 + ... + 99761.

Almost surely, 2^228755480 is an apocalyptic number.

228755480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228755480 is an abundant number, since it is smaller than the sum of its proper divisors (303695320).

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

228755480 is a wasteful number, since it uses less digits than its factorization.

228755480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197243 (or 197239 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 228755480 is about 15124.6646243809. The cubic root of 228755480 is about 611.5854840404.

The spelling of 228755480 in words is "two hundred twenty-eight million, seven hundred fifty-five thousand, four hundred eighty".