228523800 has 96 divisors (see below), whose sum is σ = 714240000. Its totient is φ = 60439680.

The previous prime is 228523759. The next prime is 228523807. The reversal of 228523800 is 8325822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228523807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74701 + ... + 77699.

It is an arithmetic number, because the mean of its divisors is an integer number (7440000).

Almost surely, 2^228523800 is an apocalyptic number.

228523800 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 228523800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357120000).

228523800 is an abundant number, since it is smaller than the sum of its proper divisors (485716200).

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

228523800 is a wasteful number, since it uses less digits than its factorization.

228523800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 228523800 is about 15117.0036713629. The cubic root of 228523800 is about 611.3789462030.

The spelling of 228523800 in words is "two hundred twenty-eight million, five hundred twenty-three thousand, eight hundred".