11271224 has 16 divisors (see below), whose sum is σ = 21183120. Its totient is φ = 5622400.

The previous prime is 11271223. The next prime is 11271229. The reversal of 11271224 is 42217211.

It is a junction number, because it is equal to n+sod(n) for n = 11271196 and 11271205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11271223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (1323945).

Almost surely, 2^11271224 is an apocalyptic number.

It is an amenable number.

11271224 is a deficient number, since it is larger than the sum of its proper divisors (9911896).

11271224 is a wasteful number, since it uses less digits than its factorization.

11271224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310 (or 3306 counting only the distinct ones).

The product of its digits is 224, while the sum is 20.

The square root of 11271224 is about 3357.2643625428. The cubic root of 11271224 is about 224.2110574524.

Adding to 11271224 its reverse (42217211), we get a palindrome (53488435).

The spelling of 11271224 in words is "eleven million, two hundred seventy-one thousand, two hundred twenty-four".