228483520 has 56 divisors (see below), whose sum is σ = 549243504. Its totient is φ = 90525696.

The previous prime is 228483509. The next prime is 228483523. The reversal of 228483520 is 25384822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228483523) 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 7 ways as a sum of consecutive naturals, for example, 30904 + ... + 37576.

Almost surely, 2^228483520 is an apocalyptic number.

228483520 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 228483520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274621752).

228483520 is an abundant number, since it is smaller than the sum of its proper divisors (320759984).

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

228483520 is a wasteful number, since it uses less digits than its factorization.

228483520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6797 (or 6787 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 228483520 is about 15115.6713380518. The cubic root of 228483520 is about 611.3430231890.

The spelling of 228483520 in words is "two hundred twenty-eight million, four hundred eighty-three thousand, five hundred twenty".