1324228805 has 4 divisors (see below), whose sum is σ = 1589074572. Its totient is φ = 1059383040.

The previous prime is 1324228799. The next prime is 1324228811. The reversal of 1324228805 is 5088224231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1324228799) and next prime (1324228811).

It can be written as a sum of positive squares in 2 ways, for example, as 869601121 + 454627684 = 29489^2 + 21322^2 .

It is not a de Polignac number, because 1324228805 - 2³⁰ = 250486981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132422876 + ... + 132422885.

It is an arithmetic number, because the mean of its divisors is an integer number (397268643).

Almost surely, 2^1324228805 is an apocalyptic number.

It is an amenable number.

1324228805 is a deficient number, since it is larger than the sum of its proper divisors (264845767).

1324228805 is an equidigital number, since it uses as much as digits as its factorization.

1324228805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264845766.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 1324228805 is about 36389.9547265451. The cubic root of 1324228805 is about 1098.1314848685.

The spelling of 1324228805 in words is "one billion, three hundred twenty-four million, two hundred twenty-eight thousand, eight hundred five".