1304222208 has 40 divisors (see below), whose sum is σ = 3474533568. Its totient is φ = 434740224.

The previous prime is 1304222159. The next prime is 1304222209. The reversal of 1304222208 is 8022224031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1304222209) 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, 423016 + ... + 426087.

Almost surely, 2^1304222208 is an apocalyptic number.

It is an amenable number.

1304222208 is an abundant number, since it is smaller than the sum of its proper divisors (2170311360).

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

1304222208 is an frugal number, since it uses more digits than its factorization.

1304222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849124 (or 849108 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1304222208 is about 36114.0167801921. The cubic root of 1304222208 is about 1092.5731671503.

Adding to 1304222208 its reverse (8022224031), we get a palindrome (9326446239).

The spelling of 1304222208 in words is "one billion, three hundred four million, two hundred twenty-two thousand, two hundred eight".