228308352 has 64 divisors (see below), whose sum is σ = 622873200. Its totient is φ = 74041344.

The previous prime is 228308321. The next prime is 228308357. The reversal of 228308352 is 253803822.

228308352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228308357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6174 + ... + 22242.

Almost surely, 2^228308352 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 228308352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311436600).

228308352 is an abundant number, since it is smaller than the sum of its proper divisors (394564848).

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

228308352 is a wasteful number, since it uses less digits than its factorization.

228308352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123 (or 16111 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 228308352 is about 15109.8759756657. The cubic root of 228308352 is about 611.1867535482.

The spelling of 228308352 in words is "two hundred twenty-eight million, three hundred eight thousand, three hundred fifty-two".