224108640281 has 4 divisors (see below), whose sum is σ = 237291501492. Its totient is φ = 210925779072.

The previous prime is 224108640269. The next prime is 224108640289. The reversal of 224108640281 is 182046801422.

224108640281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162825162256 + 61283478025 = 403516^2 + 247555^2 .

It is a cyclic number.

It is not a de Polignac number, because 224108640281 - 2¹⁰ = 224108639257 is a prime.

It is a super-2 number, since 2×224108640281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224108640289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6591430580 + ... + 6591430613.

It is an arithmetic number, because the mean of its divisors is an integer number (59322875373).

Almost surely, 2^224108640281 is an apocalyptic number.

It is an amenable number.

224108640281 is a deficient number, since it is larger than the sum of its proper divisors (13182861211).

224108640281 is a wasteful number, since it uses less digits than its factorization.

224108640281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182861210.

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 224108640281 in words is "two hundred twenty-four billion, one hundred eight million, six hundred forty thousand, two hundred eighty-one".