11231227 has 4 divisors (see below), whose sum is σ = 12835696. Its totient is φ = 9626760.

The previous prime is 11231219. The next prime is 11231243. The reversal of 11231227 is 72213211.

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 11231227 - 2³ = 11231219 is a prime.

It is a super-2 number, since 2×11231227² = 252280919851058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231257) 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, 802224 + ... + 802237.

It is an arithmetic number, because the mean of its divisors is an integer number (3208924).

Almost surely, 2^11231227 is an apocalyptic number.

11231227 is a deficient number, since it is larger than the sum of its proper divisors (1604469).

11231227 is an equidigital number, since it uses as much as digits as its factorization.

11231227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604468.

The product of its digits is 168, while the sum is 19.

The square root of 11231227 is about 3351.3022841874. The cubic root of 11231227 is about 223.9455317714.

Adding to 11231227 its reverse (72213211), we get a palindrome (83444438).

The spelling of 11231227 in words is "eleven million, two hundred thirty-one thousand, two hundred twenty-seven".