11227071 has 16 divisors (see below), whose sum is σ = 15509088. Its totient is φ = 7219200.

The previous prime is 11227063. The next prime is 11227091. The reversal of 11227071 is 17072211.

It is a happy number.

11227071 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 11227071 - 2³ = 11227063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11227091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11461 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (969318).

Almost surely, 2^11227071 is an apocalyptic number.

11227071 is a deficient number, since it is larger than the sum of its proper divisors (4282017).

11227071 is an equidigital number, since it uses as much as digits as its factorization.

11227071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 11227071 is about 3350.6821693500. The cubic root of 11227071 is about 223.9179054501.

Adding to 11227071 its reverse (17072211), we get a palindrome (28299282).

The spelling of 11227071 in words is "eleven million, two hundred twenty-seven thousand, seventy-one".