224717313681 has 24 divisors (see below), whose sum is σ = 371077848960. Its totient is φ = 128369762496.

The previous prime is 224717313643. The next prime is 224717313683. The reversal of 224717313681 is 186313717422.

224717313681 is a `hidden beast` number, since 2 + 2 + 471 + 73 + 1 + 36 + 81 = 666.

It is not a de Polignac number, because 224717313681 - 2⁶ = 224717313617 is a prime.

It is a super-2 number, since 2×224717313681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (224717313683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353605 + ... + 757938.

It is an arithmetic number, because the mean of its divisors is an integer number (15461577040).

Almost surely, 2^224717313681 is an apocalyptic number.

224717313681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224717313681 is a deficient number, since it is larger than the sum of its proper divisors (146360535279).

224717313681 is a wasteful number, since it uses less digits than its factorization.

224717313681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114765 (or 1114762 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 224717313681 in words is "two hundred twenty-four billion, seven hundred seventeen million, three hundred thirteen thousand, six hundred eighty-one".