11334221 has 2 divisors, whose sum is σ = 11334222. Its totient is φ = 11334220.

The previous prime is 11334217. The next prime is 11334229. The reversal of 11334221 is 12243311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8916196 + 2418025 = 2986^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 11334221 - 2² = 11334217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11334221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11334229) 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 as a sum of consecutive naturals, namely, 5667110 + 5667111.

It is an arithmetic number, because the mean of its divisors is an integer number (5667111).

Almost surely, 2^11334221 is an apocalyptic number.

It is an amenable number.

11334221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11334221 is an equidigital number, since it uses as much as digits as its factorization.

11334221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 11334221 is about 3366.6334816846. The cubic root of 11334221 is about 224.6280009399.

Adding to 11334221 its reverse (12243311), we get a palindrome (23577532).

The spelling of 11334221 in words is "eleven million, three hundred thirty-four thousand, two hundred twenty-one".