11225447 has 4 divisors (see below), whose sum is σ = 11816280. Its totient is φ = 10634616.

The previous prime is 11225437. The next prime is 11225471. The reversal of 11225447 is 74452211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11225447 - 2⁸ = 11225191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225437) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 295388 + ... + 295425.

It is an arithmetic number, because the mean of its divisors is an integer number (2954070).

Almost surely, 2^11225447 is an apocalyptic number.

11225447 is a deficient number, since it is larger than the sum of its proper divisors (590833).

11225447 is an equidigital number, since it uses as much as digits as its factorization.

11225447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590832.

The product of its digits is 2240, while the sum is 26.

The square root of 11225447 is about 3350.4398218741. The cubic root of 11225447 is about 223.9071083267.

Adding to 11225447 its reverse (74452211), we get a palindrome (85677658).

The spelling of 11225447 in words is "eleven million, two hundred twenty-five thousand, four hundred forty-seven".