13224325225 has 12 divisors (see below), whose sum is σ = 16407571996. Its totient is φ = 10573390080.

The previous prime is 13224325217. The next prime is 13224325229. The reversal of 13224325225 is 52252342231.

It can be written as a sum of positive squares in 6 ways, for example, as 1712966544 + 11511358681 = 41388^2 + 107291^2 .

It is not a de Polignac number, because 13224325225 - 2³ = 13224325217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13224325229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107052 + ... + 194701.

Almost surely, 2^13224325225 is an apocalyptic number.

It is an amenable number.

13224325225 is a deficient number, since it is larger than the sum of its proper divisors (3183246771).

13224325225 is a wasteful number, since it uses less digits than its factorization.

13224325225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303516 (or 303511 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

Adding to 13224325225 its reverse (52252342231), we get a palindrome (65476667456).

The spelling of 13224325225 in words is "thirteen billion, two hundred twenty-four million, three hundred twenty-five thousand, two hundred twenty-five".