227248681 has 4 divisors (see below), whose sum is σ = 247907664. Its totient is φ = 206589700.

The previous prime is 227248663. The next prime is 227248711. The reversal of 227248681 is 186842722.

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 a de Polignac number, because none of the positive numbers 2^k-227248681 is a prime.

It is a super-2 number, since 2×227248681² = 103283926032479522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227248601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10329475 + ... + 10329496.

It is an arithmetic number, because the mean of its divisors is an integer number (61976916).

Almost surely, 2^227248681 is an apocalyptic number.

It is an amenable number.

227248681 is a deficient number, since it is larger than the sum of its proper divisors (20658983).

227248681 is a wasteful number, since it uses less digits than its factorization.

227248681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20658982.

The product of its digits is 86016, while the sum is 40.

The square root of 227248681 is about 15074.7696831494. The cubic root of 227248681 is about 610.2396988646.

The spelling of 227248681 in words is "two hundred twenty-seven million, two hundred forty-eight thousand, six hundred eighty-one".