13622245 has 48 divisors (see below), whose sum is σ = 21081600. Its totient is φ = 8438976.

The previous prime is 13622177. The next prime is 13622269. The reversal of 13622245 is 54222631.

It is not a de Polignac number, because 13622245 - 2¹¹ = 13620197 is a prime.

Its product of digits (2880) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 289812 + ... + 289858.

It is an arithmetic number, because the mean of its divisors is an integer number (439200).

Almost surely, 2^13622245 is an apocalyptic number.

It is an amenable number.

13622245 is a deficient number, since it is larger than the sum of its proper divisors (7459355).

13622245 is an equidigital number, since it uses as much as digits as its factorization.

13622245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 72 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 13622245 is about 3690.8325619025. The cubic root of 13622245 is about 238.8267098152.

Adding to 13622245 its reverse (54222631), we get a palindrome (67844876).

The spelling of 13622245 in words is "thirteen million, six hundred twenty-two thousand, two hundred forty-five".