224364681 has 8 divisors (see below), whose sum is σ = 332392160. Its totient is φ = 149576436.

The previous prime is 224364671. The next prime is 224364689. The reversal of 224364681 is 186463422.

224364681 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 646 + 8 + 1 = 666.

224364681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224364681 - 2¹⁷ = 224233609 is a prime.

It is a super-2 number, since 2×224364681² = 100679020160463522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224364689) 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, 4154875 + ... + 4154928.

It is an arithmetic number, because the mean of its divisors is an integer number (41549020).

Almost surely, 2^224364681 is an apocalyptic number.

It is an amenable number.

224364681 is a deficient number, since it is larger than the sum of its proper divisors (108027479).

224364681 is an equidigital number, since it uses as much as digits as its factorization.

224364681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309812 (or 8309806 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 224364681 is about 14978.8077295892. The cubic root of 224364681 is about 607.6471949374.

The spelling of 224364681 in words is "two hundred twenty-four million, three hundred sixty-four thousand, six hundred eighty-one".