228547308 has 48 divisors (see below), whose sum is σ = 583994880. Its totient is φ = 68990400.

The previous prime is 228547301. The next prime is 228547313. The reversal of 228547308 is 803745822.

228547308 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

228547308 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (228547301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32578 + ... + 38966.

It is an arithmetic number, because the mean of its divisors is an integer number (12166560).

Almost surely, 2^228547308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228547308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291997440).

228547308 is an abundant number, since it is smaller than the sum of its proper divisors (355447572).

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

228547308 is a wasteful number, since it uses less digits than its factorization.

228547308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6678 (or 6676 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 228547308 is about 15117.7811864043. The cubic root of 228547308 is about 611.3999094513.

The spelling of 228547308 in words is "two hundred twenty-eight million, five hundred forty-seven thousand, three hundred eight".