228218696 has 16 divisors (see below), whose sum is σ = 446515200. Its totient is φ = 109147984.

The previous prime is 228218677. The next prime is 228218707. The reversal of 228218696 is 696812822.

228218696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 619976 + ... + 620343.

It is an arithmetic number, because the mean of its divisors is an integer number (27907200).

Almost surely, 2^228218696 is an apocalyptic number.

It is an amenable number.

228218696 is a deficient number, since it is larger than the sum of its proper divisors (218296504).

228218696 is a wasteful number, since it uses less digits than its factorization.

228218696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240348 (or 1240344 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 228218696 is about 15106.9088830243. The cubic root of 228218696 is about 611.1067393431.

The spelling of 228218696 in words is "two hundred twenty-eight million, two hundred eighteen thousand, six hundred ninety-six".