228216068 has 12 divisors (see below), whose sum is σ = 420398160. Its totient is φ = 108102312.

The previous prime is 228216061. The next prime is 228216073. The reversal of 228216068 is 860612822.

It is not an unprimeable number, because it can be changed into a prime (228216061) 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, 1501346 + ... + 1501497.

It is an arithmetic number, because the mean of its divisors is an integer number (35033180).

Almost surely, 2^228216068 is an apocalyptic number.

It is an amenable number.

228216068 is a deficient number, since it is larger than the sum of its proper divisors (192182092).

228216068 is a wasteful number, since it uses less digits than its factorization.

228216068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002866 (or 3002864 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 228216068 is about 15106.8219027034. The cubic root of 228216068 is about 611.1043936476.

The spelling of 228216068 in words is "two hundred twenty-eight million, two hundred sixteen thousand, sixty-eight".