11390227 has 4 divisors (see below), whose sum is σ = 11655160. Its totient is φ = 11125296.

The previous prime is 11390213. The next prime is 11390261. The reversal of 11390227 is 72209311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72209311 = 37 ⋅1951603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11390227 is a prime.

It is a super-2 number, since 2×11390227² = 259474542223058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11390927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132402 + ... + 132487.

It is an arithmetic number, because the mean of its divisors is an integer number (2913790).

Almost surely, 2^11390227 is an apocalyptic number.

11390227 is a deficient number, since it is larger than the sum of its proper divisors (264933).

11390227 is an equidigital number, since it uses as much as digits as its factorization.

11390227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264932.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 11390227 is about 3374.9410365220. The cubic root of 11390227 is about 224.9973793933.

Adding to 11390227 its reverse (72209311), we get a palindrome (83599538).

The spelling of 11390227 in words is "eleven million, three hundred ninety thousand, two hundred twenty-seven".