11221349 has 4 divisors (see below), whose sum is σ = 11583360. Its totient is φ = 10859340.

The previous prime is 11221333. The next prime is 11221367. The reversal of 11221349 is 94312211.

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 11221349 - 2⁴ = 11221333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221369) 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, 180959 + ... + 181020.

It is an arithmetic number, because the mean of its divisors is an integer number (2895840).

Almost surely, 2^11221349 is an apocalyptic number.

It is an amenable number.

11221349 is a deficient number, since it is larger than the sum of its proper divisors (362011).

11221349 is an equidigital number, since it uses as much as digits as its factorization.

11221349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362010.

The product of its digits is 432, while the sum is 23.

The square root of 11221349 is about 3349.8282045502. The cubic root of 11221349 is about 223.8798582460.

The spelling of 11221349 in words is "eleven million, two hundred twenty-one thousand, three hundred forty-nine".