13222133 has 2 divisors, whose sum is σ = 13222134. Its totient is φ = 13222132.

The previous prime is 13222129. The next prime is 13222159. The reversal of 13222133 is 33122231.

13222133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 4566769 = 2942^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222133 - 2² = 13222129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13222103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611066 + 6611067.

It is an arithmetic number, because the mean of its divisors is an integer number (6611067).

Almost surely, 2^13222133 is an apocalyptic number.

It is an amenable number.

13222133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222133 is an equidigital number, since it uses as much as digits as its factorization.

13222133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 13222133 is about 3636.2251030430. The cubic root of 13222133 is about 236.4651662749.

Adding to 13222133 its reverse (33122231), we get a palindrome (46344364).

The spelling of 13222133 in words is "thirteen million, two hundred twenty-two thousand, one hundred thirty-three".