13146422225 has 12 divisors (see below), whose sum is σ = 17010327936. Its totient is φ = 10059870480.

The previous prime is 13146422209. The next prime is 13146422243. The reversal of 13146422225 is 52222464131.

It is not a de Polignac number, because 13146422225 - 2⁴ = 13146422209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13146422191 and 13146422200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11431097 + ... + 11432246.

It is an arithmetic number, because the mean of its divisors is an integer number (1417527328).

Almost surely, 2^13146422225 is an apocalyptic number.

It is an amenable number.

13146422225 is a deficient number, since it is larger than the sum of its proper divisors (3863905711).

13146422225 is a wasteful number, since it uses less digits than its factorization.

13146422225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22863376 (or 22863371 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

Adding to 13146422225 its reverse (52222464131), we get a palindrome (65368886356).

The spelling of 13146422225 in words is "thirteen billion, one hundred forty-six million, four hundred twenty-two thousand, two hundred twenty-five".