1322266369 has 4 divisors (see below), whose sum is σ = 1350399744. Its totient is φ = 1294132996.

The previous prime is 1322266357. The next prime is 1322266391. The reversal of 1322266369 is 9636622231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1322266369 - 2⁷ = 1322266241 is a prime.

It is a super-2 number, since 2×1322266369² = 3496776701176888322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322266349) 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 in 3 ways as a sum of consecutive naturals, for example, 14066617 + ... + 14066710.

It is an arithmetic number, because the mean of its divisors is an integer number (337599936).

Almost surely, 2^1322266369 is an apocalyptic number.

It is an amenable number.

1322266369 is a deficient number, since it is larger than the sum of its proper divisors (28133375).

1322266369 is an equidigital number, since it uses as much as digits as its factorization.

1322266369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28133374.

The product of its digits is 139968, while the sum is 40.

The square root of 1322266369 is about 36362.9807496580. The cubic root of 1322266369 is about 1097.5887593804.

The spelling of 1322266369 in words is "one billion, three hundred twenty-two million, two hundred sixty-six thousand, three hundred sixty-nine".