228080 has 20 divisors (see below), whose sum is σ = 530472. Its totient is φ = 91200.

The previous prime is 228077. The next prime is 228097. The reversal of 228080 is 80822.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 3 ways as a sum of consecutive naturals, for example, 1346 + ... + 1505.

2²²⁸⁰⁸⁰ is an apocalyptic number.

228080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228080 is an abundant number, since it is smaller than the sum of its proper divisors (302392).

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

228080 is a wasteful number, since it uses less digits than its factorization.

228080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 228080 is about 477.5772188872. The cubic root of 228080 is about 61.0982917708.

It can be divided in two parts, 2 and 28080, that added together give a palindrome (28082).

The spelling of 228080 in words is "two hundred twenty-eight thousand, eighty".