11226247 has 4 divisors (see below), whose sum is σ = 11588416. Its totient is φ = 10864080.

The previous prime is 11226233. The next prime is 11226263. The reversal of 11226247 is 74262211.

11226247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11226247 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 (11226227) 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, 181038 + ... + 181099.

It is an arithmetic number, because the mean of its divisors is an integer number (2897104).

Almost surely, 2^11226247 is an apocalyptic number.

11226247 is a deficient number, since it is larger than the sum of its proper divisors (362169).

11226247 is an equidigital number, since it uses as much as digits as its factorization.

11226247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362168.

The product of its digits is 1344, while the sum is 25.

The square root of 11226247 is about 3350.5592070578. The cubic root of 11226247 is about 223.9124272369.

Adding to 11226247 its reverse (74262211), we get a palindrome (85488458).

The spelling of 11226247 in words is "eleven million, two hundred twenty-six thousand, two hundred forty-seven".