228047040 has 168 divisors, whose sum is σ = 844862928. Its totient is φ = 56125440.

The previous prime is 228047011. The next prime is 228047051. The reversal of 228047040 is 40740822.

228047040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228046995 and 228047013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34395 + ... + 40485.

It is an arithmetic number, because the mean of its divisors is an integer number (5028946).

Almost surely, 2^228047040 is an apocalyptic number.

228047040 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 228047040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422431464).

228047040 is an abundant number, since it is smaller than the sum of its proper divisors (616815888).

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

228047040 is a wasteful number, since it uses less digits than its factorization.

228047040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127 (or 6114 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 228047040 is about 15101.2264402597. The cubic root of 228047040 is about 610.9534851010.

Adding to 228047040 its reverse (40740822), we get a palindrome (268787862).

The spelling of 228047040 in words is "two hundred twenty-eight million, forty-seven thousand, forty".