11314221 has 4 divisors (see below), whose sum is σ = 15085632. Its totient is φ = 7542812.

The previous prime is 11314217. The next prime is 11314249. The reversal of 11314221 is 12241311.

11314221 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11314221 - 2² = 11314217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11314221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11314271) 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, 1885701 + ... + 1885706.

It is an arithmetic number, because the mean of its divisors is an integer number (3771408).

Almost surely, 2^11314221 is an apocalyptic number.

It is an amenable number.

11314221 is a deficient number, since it is larger than the sum of its proper divisors (3771411).

11314221 is an equidigital number, since it uses as much as digits as its factorization.

11314221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771410.

The product of its digits is 48, while the sum is 15.

The square root of 11314221 is about 3363.6618438838. The cubic root of 11314221 is about 224.4957993801.

Adding to 11314221 its reverse (12241311), we get a palindrome (23555532).

The spelling of 11314221 in words is "eleven million, three hundred fourteen thousand, two hundred twenty-one".