11226147 has 4 divisors (see below), whose sum is σ = 14968200. Its totient is φ = 7484096.

The previous prime is 11226109. The next prime is 11226157. The reversal of 11226147 is 74162211.

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 11226147 - 2¹¹ = 11224099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11226157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871022 + ... + 1871027.

It is an arithmetic number, because the mean of its divisors is an integer number (3742050).

Almost surely, 2^11226147 is an apocalyptic number.

11226147 is a deficient number, since it is larger than the sum of its proper divisors (3742053).

11226147 is an equidigital number, since it uses as much as digits as its factorization.

11226147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742052.

The product of its digits is 672, while the sum is 24.

The square root of 11226147 is about 3350.5442841425. The cubic root of 11226147 is about 223.9117623869.

Adding to 11226147 its reverse (74162211), we get a palindrome (85388358).

The spelling of 11226147 in words is "eleven million, two hundred twenty-six thousand, one hundred forty-seven".