11344221 has 24 divisors (see below), whose sum is σ = 19543680. Its totient is φ = 6199776.

The previous prime is 11344211. The next prime is 11344243. The reversal of 11344221 is 12244311.

It is not a de Polignac number, because 11344221 - 2⁵ = 11344189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11344194 and 11344203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344211) 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 23 ways as a sum of consecutive naturals, for example, 2466 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (814320).

Almost surely, 2^11344221 is an apocalyptic number.

It is an amenable number.

11344221 is a deficient number, since it is larger than the sum of its proper divisors (8199459).

11344221 is a wasteful number, since it uses less digits than its factorization.

11344221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865 (or 7862 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11344221 is about 3368.1183173992. The cubic root of 11344221 is about 224.6940434059.

Adding to 11344221 its reverse (12244311), we get a palindrome (23588532).

The spelling of 11344221 in words is "eleven million, three hundred forty-four thousand, two hundred twenty-one".