1304223112 has 8 divisors (see below), whose sum is σ = 2445418350. Its totient is φ = 652111552.

The previous prime is 1304223077. The next prime is 1304223133. The reversal of 1304223112 is 2113224031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1304220996 + 2116 = 36114^2 + 46^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1304223112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81513937 + ... + 81513952.

Almost surely, 2^1304223112 is an apocalyptic number.

It is an amenable number.

1304223112 is a deficient number, since it is larger than the sum of its proper divisors (1141195238).

1304223112 is a wasteful number, since it uses less digits than its factorization.

1304223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163027895 (or 163027891 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1304223112 is about 36114.0292961060. The cubic root of 1304223112 is about 1092.5734195833.

Adding to 1304223112 its reverse (2113224031), we get a palindrome (3417447143).

The spelling of 1304223112 in words is "one billion, three hundred four million, two hundred twenty-three thousand, one hundred twelve".