1304252224 has 112 divisors (see below), whose sum is σ = 2904939072. Its totient is φ = 580800000.

The previous prime is 1304252219. The next prime is 1304252231. The reversal of 1304252224 is 4222524031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5196099 + ... + 5196349.

It is an arithmetic number, because the mean of its divisors is an integer number (25936956).

Almost surely, 2^1304252224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304252224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452469536).

1304252224 is an abundant number, since it is smaller than the sum of its proper divisors (1600686848).

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

1304252224 is an equidigital number, since it uses as much as digits as its factorization.

1304252224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1304252224 is about 36114.4323505160. The cubic root of 1304252224 is about 1092.5815487549.

Adding to 1304252224 its reverse (4222524031), we get a palindrome (5526776255).

The spelling of 1304252224 in words is "one billion, three hundred four million, two hundred fifty-two thousand, two hundred twenty-four".