1322735005 has 4 divisors (see below), whose sum is σ = 1587282012. Its totient is φ = 1058188000.

The previous prime is 1322734969. The next prime is 1322735033. The reversal of 1322735005 is 5005372231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5005372231 = 383 ⋅13068857.

It can be written as a sum of positive squares in 2 ways, for example, as 237098404 + 1085636601 = 15398^2 + 32949^2 .

It is not a de Polignac number, because 1322735005 - 2¹⁵ = 1322702237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132273496 + ... + 132273505.

It is an arithmetic number, because the mean of its divisors is an integer number (396820503).

Almost surely, 2^1322735005 is an apocalyptic number.

It is an amenable number.

1322735005 is a deficient number, since it is larger than the sum of its proper divisors (264547007).

1322735005 is an equidigital number, since it uses as much as digits as its factorization.

1322735005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264547006.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 1322735005 is about 36369.4240399817. The cubic root of 1322735005 is about 1097.7184127448.

The spelling of 1322735005 in words is "one billion, three hundred twenty-two million, seven hundred thirty-five thousand, five".