13226013225 has 18 divisors (see below), whose sum is σ = 23689259646. Its totient is φ = 7053873600.

The previous prime is 13226013217. The next prime is 13226013247. The reversal of 13226013225 is 52231062231.

It is a happy number.

13226013225 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 601 + 32 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 205377561 + 13020635664 = 14331^2 + 114108^2 .

It is not a de Polignac number, because 13226013225 - 2³ = 13226013217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29390916 + ... + 29391365.

Almost surely, 2^13226013225 is an apocalyptic number.

13226013225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13226013225 is a deficient number, since it is larger than the sum of its proper divisors (10463246421).

13226013225 is a wasteful number, since it uses less digits than its factorization.

13226013225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58782297 (or 58782289 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13226013225 its reverse (52231062231), we get a palindrome (65457075456).

The spelling of 13226013225 in words is "thirteen billion, two hundred twenty-six million, thirteen thousand, two hundred twenty-five".