224165225 has 6 divisors (see below), whose sum is σ = 277964910. Its totient is φ = 179332160.

The previous prime is 224165197. The next prime is 224165233. The reversal of 224165225 is 522561422.

It can be written as a sum of positive squares in 3 ways, for example, as 5480281 + 218684944 = 2341^2 + 14788^2 .

It is not a de Polignac number, because 224165225 - 2¹⁰ = 224164201 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4483280 + ... + 4483329.

It is an arithmetic number, because the mean of its divisors is an integer number (46327485).

Almost surely, 2^224165225 is an apocalyptic number.

224165225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224165225 is a deficient number, since it is larger than the sum of its proper divisors (53799685).

224165225 is an equidigital number, since it uses as much as digits as its factorization.

224165225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966619 (or 8966614 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 224165225 is about 14972.1483094444. The cubic root of 224165225 is about 607.4670792279.

The spelling of 224165225 in words is "two hundred twenty-four million, one hundred sixty-five thousand, two hundred twenty-five".