11312227 has 4 divisors (see below), whose sum is σ = 11394936. Its totient is φ = 11229520.

The previous prime is 11312221. The next prime is 11312261. The reversal of 11312227 is 72221311.

11312227 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, and also an emirpimes, since its reverse is a distinct semiprime: 72221311 = 23 ⋅3140057.

It is a cyclic number.

It is not a de Polignac number, because 11312227 - 2⁷ = 11312099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312221) 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, 41149 + ... + 41422.

It is an arithmetic number, because the mean of its divisors is an integer number (2848734).

Almost surely, 2^11312227 is an apocalyptic number.

11312227 is a deficient number, since it is larger than the sum of its proper divisors (82709).

11312227 is an equidigital number, since it uses as much as digits as its factorization.

11312227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82708.

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

The square root of 11312227 is about 3363.3654276632. The cubic root of 11312227 is about 224.4826103464.

Adding to 11312227 its reverse (72221311), we get a palindrome (83533538).

The spelling of 11312227 in words is "eleven million, three hundred twelve thousand, two hundred twenty-seven".