228551800 has 24 divisors (see below), whose sum is σ = 531383400. Its totient is φ = 91420640.

The previous prime is 228551783. The next prime is 228551801. The reversal of 228551800 is 8155822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228551801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571180 + ... + 571579.

It is an arithmetic number, because the mean of its divisors is an integer number (22140975).

Almost surely, 2^228551800 is an apocalyptic number.

228551800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228551800 is an abundant number, since it is smaller than the sum of its proper divisors (302831600).

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

228551800 is a wasteful number, since it uses less digits than its factorization.

228551800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142775 (or 1142766 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 228551800 is about 15117.9297524496. The cubic root of 228551800 is about 611.4039150267.

The spelling of 228551800 in words is "two hundred twenty-eight million, five hundred fifty-one thousand, eight hundred".