224518669 has 4 divisors (see below), whose sum is σ = 224621980. Its totient is φ = 224415360.

The previous prime is 224518631. The next prime is 224518681. The reversal of 224518669 is 966815422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966815422 = 2 ⋅483407711.

It can be written as a sum of positive squares in 2 ways, for example, as 83503044 + 141015625 = 9138^2 + 11875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224518669 is a prime.

It is a super-2 number, since 2×224518669² = 100817265459063122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224518769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48324 + ... + 52765.

It is an arithmetic number, because the mean of its divisors is an integer number (56155495).

Almost surely, 2^224518669 is an apocalyptic number.

It is an amenable number.

224518669 is a deficient number, since it is larger than the sum of its proper divisors (103311).

224518669 is a wasteful number, since it uses less digits than its factorization.

224518669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103310.

The product of its digits is 207360, while the sum is 43.

The square root of 224518669 is about 14983.9470434195. The cubic root of 224518669 is about 607.7861784550.

The spelling of 224518669 in words is "two hundred twenty-four million, five hundred eighteen thousand, six hundred sixty-nine".