224111225 has 24 divisors (see below), whose sum is σ = 302402520. Its totient is φ = 163768320.

The previous prime is 224111203. The next prime is 224111231. The reversal of 224111225 is 522111422.

It can be written as a sum of positive squares in 12 ways, for example, as 149132944 + 74978281 = 12212^2 + 8659^2 .

It is not a de Polignac number, because 224111225 - 2¹² = 224107129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224111197 and 224111206.

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 23 ways as a sum of consecutive naturals, for example, 27971 + ... + 35079.

It is an arithmetic number, because the mean of its divisors is an integer number (12600105).

Almost surely, 2^224111225 is an apocalyptic number.

224111225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224111225 is a deficient number, since it is larger than the sum of its proper divisors (78291295).

224111225 is a wasteful number, since it uses less digits than its factorization.

224111225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229 (or 7224 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 224111225 is about 14970.3448524074. The cubic root of 224111225 is about 607.4182969711.

Adding to 224111225 its reverse (522111422), we get a palindrome (746222647).

The spelling of 224111225 in words is "two hundred twenty-four million, one hundred eleven thousand, two hundred twenty-five".