228671266 has 4 divisors (see below), whose sum is σ = 343006902. Its totient is φ = 114335632.

The previous prime is 228671257. The next prime is 228671269. The reversal of 228671266 is 662176822.

228671266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 196420225 + 32251041 = 14015^2 + 5679^2 .

It is not an unprimeable number, because it can be changed into a prime (228671269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57167815 + ... + 57167818.

Almost surely, 2^228671266 is an apocalyptic number.

228671266 is a deficient number, since it is larger than the sum of its proper divisors (114335636).

228671266 is a wasteful number, since it uses less digits than its factorization.

228671266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114335635.

The product of its digits is 96768, while the sum is 40.

The square root of 228671266 is about 15121.8803724934. The cubic root of 228671266 is about 611.5104251734.

The spelling of 228671266 in words is "two hundred twenty-eight million, six hundred seventy-one thousand, two hundred sixty-six".