228655960 has 32 divisors (see below), whose sum is σ = 554052240. Its totient is φ = 84426624.

The previous prime is 228655951. The next prime is 228655993. The reversal of 228655960 is 69556822.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219342 + ... + 220381.

Almost surely, 2^228655960 is an apocalyptic number.

228655960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228655960 is an abundant number, since it is smaller than the sum of its proper divisors (325396280).

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

228655960 is a wasteful number, since it uses less digits than its factorization.

228655960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439747 (or 439743 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 228655960 is about 15121.3742761695. The cubic root of 228655960 is about 611.4967811513.

The spelling of 228655960 in words is "two hundred twenty-eight million, six hundred fifty-five thousand, nine hundred sixty".