228551200 has 72 divisors (see below), whose sum is σ = 563284260. Its totient is φ = 90547200.

The previous prime is 228551143. The next prime is 228551221. The reversal of 228551200 is 2155822.

228551200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 144865296 + 83685904 = 12036^2 + 9148^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85890 + ... + 88510.

Almost surely, 2^228551200 is an apocalyptic number.

228551200 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 228551200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281642130).

228551200 is an abundant number, since it is smaller than the sum of its proper divisors (334733060).

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

228551200 is a wasteful number, since it uses less digits than its factorization.

228551200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 228551200 is about 15117.9099084496. The cubic root of 228551200 is about 611.4033800018.

The spelling of 228551200 in words is "two hundred twenty-eight million, five hundred fifty-one thousand, two hundred".