228134656 has 18 divisors (see below), whose sum is σ = 455378672. Its totient is φ = 114067200.

The previous prime is 228134639. The next prime is 228134657. The reversal of 228134656 is 656431822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228134657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445320 + ... + 445831.

Almost surely, 2^228134656 is an apocalyptic number.

It is an amenable number.

228134656 is a deficient number, since it is larger than the sum of its proper divisors (227244016).

228134656 is an frugal number, since it uses more digits than its factorization.

228134656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891167 (or 891153 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 228134656 is about 15104.1271181091. The cubic root of 228134656 is about 611.0317181513.

The spelling of 228134656 in words is "two hundred twenty-eight million, one hundred thirty-four thousand, six hundred fifty-six".