227668681 has 8 divisors (see below), whose sum is σ = 235413504. Its totient is φ = 219948960.

The previous prime is 227668667. The next prime is 227668687. The reversal of 227668681 is 186866722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 227668681 - 2⁹ = 227668169 is a prime.

It is a super-2 number, since 2×227668681² = 103666056616559522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (227668687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13176 + ... + 25078.

It is an arithmetic number, because the mean of its divisors is an integer number (29426688).

Almost surely, 2^227668681 is an apocalyptic number.

It is an amenable number.

227668681 is a deficient number, since it is larger than the sum of its proper divisors (7744823).

227668681 is a wasteful number, since it uses less digits than its factorization.

227668681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551.

The product of its digits is 387072, while the sum is 46.

The square root of 227668681 is about 15088.6938135811. The cubic root of 227668681 is about 610.6154149251.

The spelling of 227668681 in words is "two hundred twenty-seven million, six hundred sixty-eight thousand, six hundred eighty-one".