11225271 has 4 divisors (see below), whose sum is σ = 14967032. Its totient is φ = 7483512.

The previous prime is 11225243. The next prime is 11225273. The reversal of 11225271 is 17252211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17252211 = 3 ⋅5750737.

It is a de Polignac number, because none of the positive numbers 2^k-11225271 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 (11225273) 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, 1870876 + ... + 1870881.

It is an arithmetic number, because the mean of its divisors is an integer number (3741758).

Almost surely, 2^11225271 is an apocalyptic number.

11225271 is a deficient number, since it is larger than the sum of its proper divisors (3741761).

11225271 is an equidigital number, since it uses as much as digits as its factorization.

11225271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741760.

The product of its digits is 280, while the sum is 21.

The square root of 11225271 is about 3350.4135565628. The cubic root of 11225271 is about 223.9059381326.

Adding to 11225271 its reverse (17252211), we get a palindrome (28477482).

The spelling of 11225271 in words is "eleven million, two hundred twenty-five thousand, two hundred seventy-one".