228116648 has 32 divisors (see below), whose sum is σ = 432207360. Its totient is φ = 112869120.

The previous prime is 228116633. The next prime is 228116683. The reversal of 228116648 is 846611822.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514715 + ... + 515157.

It is an arithmetic number, because the mean of its divisors is an integer number (13506480).

Almost surely, 2^228116648 is an apocalyptic number.

It is an amenable number.

228116648 is a deficient number, since it is larger than the sum of its proper divisors (204090712).

228116648 is a wasteful number, since it uses less digits than its factorization.

228116648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 973 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 228116648 is about 15103.5309778873. The cubic root of 228116648 is about 611.0156402949.

The spelling of 228116648 in words is "two hundred twenty-eight million, one hundred sixteen thousand, six hundred forty-eight".