13522219 has 2 divisors, whose sum is σ = 13522220. Its totient is φ = 13522218.

The previous prime is 13522211. The next prime is 13522237. The reversal of 13522219 is 91222531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13522219 - 2³ = 13522211 is a prime.

It is a super-2 number, since 2×13522219² = 365700813367922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13522193 and 13522202.

It is not a weakly prime, because it can be changed into another prime (13522211) 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, 6761109 + 6761110.

It is an arithmetic number, because the mean of its divisors is an integer number (6761110).

Almost surely, 2^13522219 is an apocalyptic number.

13522219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13522219 is an equidigital number, since it uses as much as digits as its factorization.

13522219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 13522219 is about 3677.2569940106. The cubic root of 13522219 is about 238.2407175421.

The spelling of 13522219 in words is "thirteen million, five hundred twenty-two thousand, two hundred nineteen".