227872681 has 4 divisors (see below), whose sum is σ = 239866000. Its totient is φ = 215879364.

The previous prime is 227872679. The next prime is 227872727. The reversal of 227872681 is 186278722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 227872681 - 2¹ = 227872679 is a prime.

It is a super-2 number, since 2×227872681² = 103851917492255522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227872081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5996631 + ... + 5996668.

It is an arithmetic number, because the mean of its divisors is an integer number (59966500).

Almost surely, 2^227872681 is an apocalyptic number.

It is an amenable number.

227872681 is a deficient number, since it is larger than the sum of its proper divisors (11993319).

227872681 is a wasteful number, since it uses less digits than its factorization.

227872681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993318.

The product of its digits is 150528, while the sum is 43.

The square root of 227872681 is about 15095.4523284332. The cubic root of 227872681 is about 610.7977388727.

The spelling of 227872681 in words is "two hundred twenty-seven million, eight hundred seventy-two thousand, six hundred eighty-one".