1224320304 has 20 divisors (see below), whose sum is σ = 3162827576. Its totient is φ = 408106752.

The previous prime is 1224320287. The next prime is 1224320327. The reversal of 1224320304 is 4030234221.

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, 12753289 + ... + 12753384.

Almost surely, 2^1224320304 is an apocalyptic number.

It is an amenable number.

1224320304 is an abundant number, since it is smaller than the sum of its proper divisors (1938507272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224320304 is a wasteful number, since it uses less digits than its factorization.

1224320304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25506684 (or 25506678 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1224320304 is about 34990.2887098692. The cubic root of 1224320304 is about 1069.7895483852.

Adding to 1224320304 its reverse (4030234221), we get a palindrome (5254554525).

The spelling of 1224320304 in words is "one billion, two hundred twenty-four million, three hundred twenty thousand, three hundred four".