1304220044 has 12 divisors (see below), whose sum is σ = 2313651144. Its totient is φ = 643176864.

The previous prime is 1304220017. The next prime is 1304220053. The reversal of 1304220044 is 4400224031.

It is a junction number, because it is equal to n+sod(n) for n = 1304219998 and 1304220025.

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, 2232962 + ... + 2233545.

It is an arithmetic number, because the mean of its divisors is an integer number (192804262).

Almost surely, 2^1304220044 is an apocalyptic number.

It is an amenable number.

1304220044 is a deficient number, since it is larger than the sum of its proper divisors (1009431100).

1304220044 is a wasteful number, since it uses less digits than its factorization.

1304220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466584 (or 4466582 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1304220044 is about 36113.9868195136. The cubic root of 1304220044 is about 1092.5725628746.

Adding to 1304220044 its reverse (4400224031), we get a palindrome (5704444075).

The spelling of 1304220044 in words is "one billion, three hundred four million, two hundred twenty thousand, forty-four".