1304412322 has 4 divisors (see below), whose sum is σ = 1956618486. Its totient is φ = 652206160.

The previous prime is 1304412311. The next prime is 1304412323. The reversal of 1304412322 is 2232144031.

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

It can be written as a sum of positive squares in only one way, i.e., 1287446161 + 16966161 = 35881^2 + 4119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1304412293 and 1304412302.

It is not an unprimeable number, because it can be changed into a prime (1304412323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326103079 + ... + 326103082.

Almost surely, 2^1304412322 is an apocalyptic number.

1304412322 is a deficient number, since it is larger than the sum of its proper divisors (652206164).

1304412322 is an equidigital number, since it uses as much as digits as its factorization.

1304412322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652206163.

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

The square root of 1304412322 is about 36116.6488201771. The cubic root of 1304412322 is about 1092.6262520112.

Adding to 1304412322 its reverse (2232144031), we get a palindrome (3536556353).

The spelling of 1304412322 in words is "one billion, three hundred four million, four hundred twelve thousand, three hundred twenty-two".