228587232 has 24 divisors (see below), whose sum is σ = 600041736. Its totient is φ = 76195712.

The previous prime is 228587231. The next prime is 228587257. The reversal of 228587232 is 232785822.

228587232 is digitally balanced in base 3, 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 (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228587231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190463 + ... + 1190654.

It is an arithmetic number, because the mean of its divisors is an integer number (25001739).

Almost surely, 2^228587232 is an apocalyptic number.

It is an amenable number.

228587232 is an abundant number, since it is smaller than the sum of its proper divisors (371454504).

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

228587232 is a wasteful number, since it uses less digits than its factorization.

228587232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381130 (or 2381122 counting only the distinct ones).

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

The square root of 228587232 is about 15119.1015606087. The cubic root of 228587232 is about 611.4355083666.

The spelling of 228587232 in words is "two hundred twenty-eight million, five hundred eighty-seven thousand, two hundred thirty-two".