228887512 has 16 divisors (see below), whose sum is σ = 490473360. Its totient is φ = 98094624.

The previous prime is 228887501. The next prime is 228887521. The reversal of 228887512 is 215788822.

228887512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043583 + ... + 2043694.

It is an arithmetic number, because the mean of its divisors is an integer number (30654585).

Almost surely, 2^228887512 is an apocalyptic number.

It is an amenable number.

228887512 is an abundant number, since it is smaller than the sum of its proper divisors (261585848).

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

228887512 is a wasteful number, since it uses less digits than its factorization.

228887512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087290 (or 4087286 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 228887512 is about 15129.0287857483. The cubic root of 228887512 is about 611.7031254104.

The spelling of 228887512 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, five hundred twelve".