228505200 has 240 divisors, whose sum is σ = 912965376. Its totient is φ = 47462400.

The previous prime is 228505187. The next prime is 228505261. The reversal of 228505200 is 2505822.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91164 + ... + 93636.

Almost surely, 2^228505200 is an apocalyptic number.

228505200 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 228505200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456482688).

228505200 is an abundant number, since it is smaller than the sum of its proper divisors (684460176).

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

228505200 is a wasteful number, since it uses less digits than its factorization.

228505200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 228505200 is about 15116.3884575649. The cubic root of 228505200 is about 611.3623586427.

The spelling of 228505200 in words is "two hundred twenty-eight million, five hundred five thousand, two hundred".