13222525 has 12 divisors (see below), whose sum is σ = 16552512. Its totient is φ = 10477040.

The previous prime is 13222511. The next prime is 13222553. The reversal of 13222525 is 52522231.

It is not a de Polignac number, because 13222525 - 2¹⁷ = 13091453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222496 and 13222505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (1379376).

Almost surely, 2^13222525 is an apocalyptic number.

It is an amenable number.

13222525 is a deficient number, since it is larger than the sum of its proper divisors (3329987).

13222525 is a wasteful number, since it uses less digits than its factorization.

13222525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060 (or 5055 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 13222525 is about 3636.2790046970. The cubic root of 13222525 is about 236.4675030998.

Adding to 13222525 its reverse (52522231), we get a palindrome (65744756).

The spelling of 13222525 in words is "thirteen million, two hundred twenty-two thousand, five hundred twenty-five".