1304220046 has 4 divisors (see below), whose sum is σ = 1956330072. Its totient is φ = 652110022.

The previous prime is 1304220017. The next prime is 1304220053. The reversal of 1304220046 is 6400224031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1304219999 and 1304220026.

It is a congruent number.

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, 326055010 + ... + 326055013.

It is an arithmetic number, because the mean of its divisors is an integer number (489082518).

Almost surely, 2^1304220046 is an apocalyptic number.

1304220046 is a deficient number, since it is larger than the sum of its proper divisors (652110026).

1304220046 is an equidigital number, since it uses as much as digits as its factorization.

1304220046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652110025.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1304220046 is about 36113.9868472037. The cubic root of 1304220046 is about 1092.5725634330.

Adding to 1304220046 its reverse (6400224031), we get a palindrome (7704444077).

The spelling of 1304220046 in words is "one billion, three hundred four million, two hundred twenty thousand, forty-six".