228552072 has 96 divisors (see below), whose sum is σ = 671140800. Its totient is φ = 64665216.

The previous prime is 228552067. The next prime is 228552091. The reversal of 228552072 is 270255822.

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, 127293 + ... + 129075.

It is an arithmetic number, because the mean of its divisors is an integer number (6991050).

Almost surely, 2^228552072 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 228552072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335570400).

228552072 is an abundant number, since it is smaller than the sum of its proper divisors (442588728).

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

228552072 is a wasteful number, since it uses less digits than its factorization.

228552072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 228552072 is about 15117.9387483876. The cubic root of 228552072 is about 611.4041575710.

The spelling of 228552072 in words is "two hundred twenty-eight million, five hundred fifty-two thousand, seventy-two".