11422321 has 2 divisors, whose sum is σ = 11422322. Its totient is φ = 11422320.

The previous prime is 11422297. The next prime is 11422337. The reversal of 11422321 is 12322411.

11422321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11422337) can be obtained adding 11422321 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10471696 + 950625 = 3236^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 11422321 - 2⁵ = 11422289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11422295 and 11422304.

It is not a weakly prime, because it can be changed into another prime (11422121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711160 + 5711161.

It is an arithmetic number, because the mean of its divisors is an integer number (5711161).

Almost surely, 2^11422321 is an apocalyptic number.

It is an amenable number.

11422321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422321 is an equidigital number, since it uses as much as digits as its factorization.

11422321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 16.

The square root of 11422321 is about 3379.6924416284. The cubic root of 11422321 is about 225.2085046641.

Adding to 11422321 its reverse (12322411), we get a palindrome (23744732).

It can be divided in two parts, 114223 and 21, that added together give a square (114244 = 338²).

The spelling of 11422321 in words is "eleven million, four hundred twenty-two thousand, three hundred twenty-one".