11229271 has 4 divisors (see below), whose sum is σ = 11243232. Its totient is φ = 11215312.

The previous prime is 11229227. The next prime is 11229301. The reversal of 11229271 is 17292211.

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 11229271 - 2⁷ = 11229143 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 (11220271) 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, 5695 + ... + 7408.

It is an arithmetic number, because the mean of its divisors is an integer number (2810808).

Almost surely, 2^11229271 is an apocalyptic number.

11229271 is a deficient number, since it is larger than the sum of its proper divisors (13961).

11229271 is an equidigital number, since it uses as much as digits as its factorization.

11229271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960.

The product of its digits is 504, while the sum is 25.

The square root of 11229271 is about 3351.0104446271. The cubic root of 11229271 is about 223.9325304347.

The spelling of 11229271 in words is "eleven million, two hundred twenty-nine thousand, two hundred seventy-one".