228302551800 has 144 divisors (see below), whose sum is σ = 768649750440. Its totient is φ = 60727138560.

The previous prime is 228302551793. The next prime is 228302551831. The reversal of 228302551800 is 8155203822.

228302551800 is a `hidden beast` number, since 2 + 28 + 3 + 0 + 2 + 551 + 80 + 0 = 666.

228302551800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 554859 + ... + 874341.

Almost surely, 2^228302551800 is an apocalyptic number.

228302551800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228302551800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384324875220).

228302551800 is an abundant number, since it is smaller than the sum of its proper divisors (540347198640).

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

228302551800 is a wasteful number, since it uses less digits than its factorization.

228302551800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319902 (or 319890 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 228302551800 in words is "two hundred twenty-eight billion, three hundred two million, five hundred fifty-one thousand, eight hundred".