224721160909 has 6 divisors (see below), whose sum is σ = 261410330094. Its totient is φ = 192618137880.

The previous prime is 224721160901. The next prime is 224721160913. The reversal of 224721160909 is 909061127422.

224721160909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 135421792009 + 89299368900 = 367997^2 + 298830^2 .

It is not a de Polignac number, because 224721160909 - 2³ = 224721160901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224721160901) 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 5 ways as a sum of consecutive naturals, for example, 2293073022 + ... + 2293073119.

It is an arithmetic number, because the mean of its divisors is an integer number (43568388349).

Almost surely, 2^224721160909 is an apocalyptic number.

It is an amenable number.

224721160909 is a deficient number, since it is larger than the sum of its proper divisors (36689169185).

224721160909 is an equidigital number, since it uses as much as digits as its factorization.

224721160909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586146155 (or 4586146148 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 224721160909 in words is "two hundred twenty-four billion, seven hundred twenty-one million, one hundred sixty thousand, nine hundred nine".