228068770 has 16 divisors (see below), whose sum is σ = 434672568. Its totient is φ = 85861120.

The previous prime is 228068749. The next prime is 228068783. The reversal of 228068770 is 77860822.

It can be written as a sum of positive squares in 4 ways, for example, as 164531929 + 63536841 = 12827^2 + 7971^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670621 + ... + 670960.

Almost surely, 2^228068770 is an apocalyptic number.

228068770 is a deficient number, since it is larger than the sum of its proper divisors (206603798).

228068770 is a wasteful number, since it uses less digits than its factorization.

228068770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341605.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 228068770 is about 15101.9459011082. The cubic root of 228068770 is about 610.9728898659.

The spelling of 228068770 in words is "two hundred twenty-eight million, sixty-eight thousand, seven hundred seventy".