224426665 has 4 divisors (see below), whose sum is σ = 269312004. Its totient is φ = 179541328.

The previous prime is 224426647. The next prime is 224426677. The reversal of 224426665 is 566624422.

224426665 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 71978256 + 152448409 = 8484^2 + 12347^2 .

It is a cyclic number.

It is not a de Polignac number, because 224426665 - 2¹¹ = 224424617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22442662 + ... + 22442671.

It is an arithmetic number, because the mean of its divisors is an integer number (67328001).

Almost surely, 2^224426665 is an apocalyptic number.

It is an amenable number.

224426665 is a deficient number, since it is larger than the sum of its proper divisors (44885339).

224426665 is an equidigital number, since it uses as much as digits as its factorization.

224426665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44885338.

The product of its digits is 138240, while the sum is 37.

The square root of 224426665 is about 14980.8766432409. The cubic root of 224426665 is about 607.7031469046.

The spelling of 224426665 in words is "two hundred twenty-four million, four hundred twenty-six thousand, six hundred sixty-five".