1223322005 has 8 divisors (see below), whose sum is σ = 1468538424. Its totient is φ = 978289600.

The previous prime is 1223321971. The next prime is 1223322017. The reversal of 1223322005 is 5002233221.

It can be written as a sum of positive squares in 4 ways, for example, as 30724849 + 1192597156 = 5543^2 + 34534^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223322005 - 2⁶ = 1223321941 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 7 ways as a sum of consecutive naturals, for example, 30926 + ... + 58335.

It is an arithmetic number, because the mean of its divisors is an integer number (183567303).

Almost surely, 2^1223322005 is an apocalyptic number.

It is an amenable number.

1223322005 is a deficient number, since it is larger than the sum of its proper divisors (245216419).

1223322005 is an equidigital number, since it uses as much as digits as its factorization.

1223322005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92007.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1223322005 is about 34976.0204282877. The cubic root of 1223322005 is about 1069.4987039509.

Adding to 1223322005 its reverse (5002233221), we get a palindrome (6225555226).

The spelling of 1223322005 in words is "one billion, two hundred twenty-three million, three hundred twenty-two thousand, five".