1304255224 has 8 divisors (see below), whose sum is σ = 2445478560. Its totient is φ = 652127608.

The previous prime is 1304255221. The next prime is 1304255233. The reversal of 1304255224 is 4225524031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1304255192 and 1304255201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304255221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81515944 + ... + 81515959.

It is an arithmetic number, because the mean of its divisors is an integer number (305684820).

Almost surely, 2^1304255224 is an apocalyptic number.

It is an amenable number.

1304255224 is a deficient number, since it is larger than the sum of its proper divisors (1141223336).

1304255224 is a wasteful number, since it uses less digits than its factorization.

1304255224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163031909 (or 163031905 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1304255224 is about 36114.4738851336. The cubic root of 1304255224 is about 1092.5823864616.

Adding to 1304255224 its reverse (4225524031), we get a palindrome (5529779255).

The spelling of 1304255224 in words is "one billion, three hundred four million, two hundred fifty-five thousand, two hundred twenty-four".