1304004222 has 12 divisors (see below), whose sum is σ = 2825342520. Its totient is φ = 434668068.

The previous prime is 1304004217. The next prime is 1304004241. The reversal of 1304004222 is 2224004031.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 72444679 = 1304004222 / (1 + 3 + 0 + 4 + 0 + 0 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1304004195 and 1304004204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36222322 + ... + 36222357.

It is an arithmetic number, because the mean of its divisors is an integer number (235445210).

Almost surely, 2^1304004222 is an apocalyptic number.

1304004222 is an abundant number, since it is smaller than the sum of its proper divisors (1521338298).

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

1304004222 is a wasteful number, since it uses less digits than its factorization.

1304004222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72444687 (or 72444684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1304004222 is about 36110.9986292265. The cubic root of 1304004222 is about 1092.5122933404.

Adding to 1304004222 its reverse (2224004031), we get a palindrome (3528008253).

The spelling of 1304004222 in words is "one billion, three hundred four million, four thousand, two hundred twenty-two".