1304012224 has 28 divisors (see below), whose sum is σ = 2591921664. Its totient is φ = 650929664.

The previous prime is 1304012221. The next prime is 1304012233. The reversal of 1304012224 is 4222104031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304012221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22977 + ... + 55999.

Almost surely, 2^1304012224 is an apocalyptic number.

It is an amenable number.

1304012224 is a deficient number, since it is larger than the sum of its proper divisors (1287909440).

1304012224 is an equidigital number, since it uses as much as digits as its factorization.

1304012224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33652 (or 33642 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1304012224 is about 36111.1094263247. The cubic root of 1304012224 is about 1092.5145280636.

Adding to 1304012224 its reverse (4222104031), we get a palindrome (5526116255).

The spelling of 1304012224 in words is "one billion, three hundred four million, twelve thousand, two hundred twenty-four".