228141400 has 72 divisors (see below), whose sum is σ = 548553060. Its totient is φ = 88238400.

The previous prime is 228141383. The next prime is 228141401. The reversal of 228141400 is 4141822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 191607 + ... + 192793.

Almost surely, 2^228141400 is an apocalyptic number.

228141400 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 228141400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274276530).

228141400 is an abundant number, since it is smaller than the sum of its proper divisors (320411660).

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

228141400 is a wasteful number, since it uses less digits than its factorization.

228141400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 228141400 is about 15104.3503666990. The cubic root of 228141400 is about 611.0377390943.

It can be divided in two parts, 2281 and 41400, that added together give a square (43681 = 209²).

The spelling of 228141400 in words is "two hundred twenty-eight million, one hundred forty-one thousand, four hundred".