1323224305 has 16 divisors (see below), whose sum is σ = 1765177344. Its totient is φ = 945627840.

The previous prime is 1323224297. The next prime is 1323224311. The reversal of 1323224305 is 5034223231.

It is not a de Polignac number, because 1323224305 - 2³ = 1323224297 is a prime.

It is a super-2 number, since 2×1323224305² = 3501845122685466050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323224305.

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 15 ways as a sum of consecutive naturals, for example, 326329 + ... + 330358.

It is an arithmetic number, because the mean of its divisors is an integer number (110323584).

Almost surely, 2^1323224305 is an apocalyptic number.

It is an amenable number.

1323224305 is a deficient number, since it is larger than the sum of its proper divisors (441953039).

1323224305 is a wasteful number, since it uses less digits than its factorization.

1323224305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656736.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1323224305 is about 36376.1502223641. The cubic root of 1323224305 is about 1097.8537503602.

Adding to 1323224305 its reverse (5034223231), we get a palindrome (6357447536).

The spelling of 1323224305 in words is "one billion, three hundred twenty-three million, two hundred twenty-four thousand, three hundred five".