228742068 has 12 divisors (see below), whose sum is σ = 533731520. Its totient is φ = 76247352.

The previous prime is 228742067. The next prime is 228742097. The reversal of 228742068 is 860247822.

228742068 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228742067) 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, 9530908 + ... + 9530931.

Almost surely, 2^228742068 is an apocalyptic number.

It is an amenable number.

228742068 is an abundant number, since it is smaller than the sum of its proper divisors (304989452).

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

228742068 is a wasteful number, since it uses less digits than its factorization.

228742068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19061846 (or 19061844 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 228742068 is about 15124.2212361496. The cubic root of 228742068 is about 611.5735313288.

It can be divided in two parts, 22874 and 2068, that added together give a palindrome (24942).

The spelling of 228742068 in words is "two hundred twenty-eight million, seven hundred forty-two thousand, sixty-eight".