228065516 has 24 divisors (see below), whose sum is σ = 475964160. Its totient is φ = 93492432.

The previous prime is 228065477. The next prime is 228065533. The reversal of 228065516 is 615560822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176426 + ... + 177713.

It is an arithmetic number, because the mean of its divisors is an integer number (19831840).

Almost surely, 2^228065516 is an apocalyptic number.

It is an amenable number.

228065516 is an abundant number, since it is smaller than the sum of its proper divisors (247898644).

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

228065516 is a wasteful number, since it uses less digits than its factorization.

228065516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354173 (or 354171 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 228065516 is about 15101.8381662631. The cubic root of 228065516 is about 610.9699841411.

The spelling of 228065516 in words is "two hundred twenty-eight million, sixty-five thousand, five hundred sixteen".