7226645332169 has 2 divisors, whose sum is σ = 7226645332170. Its totient is φ = 7226645332168.

The previous prime is 7226645332163. The next prime is 7226645332211. The reversal of 7226645332169 is 9612335466227.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6980227408144 + 246417924025 = 2642012^2 + 496405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7226645332169 is a prime.

It is a super-2 number, since 2×7226645332169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7226645332163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613322666084 + 3613322666085.

It is an arithmetic number, because the mean of its divisors is an integer number (3613322666085).

Almost surely, 2^{7226645332169} is an apocalyptic number.

It is an amenable number.

7226645332169 is a deficient number, since it is larger than the sum of its proper divisors (1).

7226645332169 is an equidigital number, since it uses as much as digits as its factorization.

7226645332169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 56.

The spelling of 7226645332169 in words is "seven trillion, two hundred twenty-six billion, six hundred forty-five million, three hundred thirty-two thousand, one hundred sixty-nine".