224779258889 has 4 divisors (see below), whose sum is σ = 224780248980. Its totient is φ = 224778268800.

The previous prime is 224779258877. The next prime is 224779258927. The reversal of 224779258889 is 988852977422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 90444547600 + 134334711289 = 300740^2 + 366517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224779258889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224779252889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33857 + ... + 671345.

It is an arithmetic number, because the mean of its divisors is an integer number (56195062245).

Almost surely, 2^224779258889 is an apocalyptic number.

It is an amenable number.

224779258889 is a deficient number, since it is larger than the sum of its proper divisors (990091).

224779258889 is an equidigital number, since it uses as much as digits as its factorization.

224779258889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990090.

The product of its digits is 325140480, while the sum is 71.

The spelling of 224779258889 in words is "two hundred twenty-four billion, seven hundred seventy-nine million, two hundred fifty-eight thousand, eight hundred eighty-nine".