228112072 has 8 divisors (see below), whose sum is σ = 427710150. Its totient is φ = 114056032.

The previous prime is 228112061. The next prime is 228112111. The reversal of 228112072 is 270211822.

228112072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 226021156 + 2090916 = 15034^2 + 1446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14256997 + ... + 14257012.

Almost surely, 2^228112072 is an apocalyptic number.

It is an amenable number.

228112072 is a deficient number, since it is larger than the sum of its proper divisors (199598078).

228112072 is a wasteful number, since it uses less digits than its factorization.

228112072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514015 (or 28514011 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 228112072 is about 15103.3794893726. The cubic root of 228112072 is about 611.0115546275.

Adding to 228112072 its reverse (270211822), we get a palindrome (498323894).

The spelling of 228112072 in words is "two hundred twenty-eight million, one hundred twelve thousand, seventy-two".