224223165 has 24 divisors (see below), whose sum is σ = 389090520. Its totient is φ = 119451264.

The previous prime is 224223151. The next prime is 224223173. The reversal of 224223165 is 561322422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27185796 + 197037369 = 5214^2 + 14037^2 .

It is not a de Polignac number, because 224223165 - 2⁷ = 224223037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47659 + ... + 52151.

It is an arithmetic number, because the mean of its divisors is an integer number (16212105).

Almost surely, 2^224223165 is an apocalyptic number.

It is an amenable number.

224223165 is a deficient number, since it is larger than the sum of its proper divisors (164867355).

224223165 is a wasteful number, since it uses less digits than its factorization.

224223165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613 (or 5610 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 224223165 is about 14974.0831104946. The cubic root of 224223165 is about 607.5194120709.

Adding to 224223165 its reverse (561322422), we get a palindrome (785545587).

The spelling of 224223165 in words is "two hundred twenty-four million, two hundred twenty-three thousand, one hundred sixty-five".