1304221232 has 20 divisors (see below), whose sum is σ = 2675572056. Its totient is φ = 613751040.

The previous prime is 1304221229. The next prime is 1304221241. The reversal of 1304221232 is 2321224031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2397194 + ... + 2397737.

Almost surely, 2^1304221232 is an apocalyptic number.

It is an amenable number.

1304221232 is an abundant number, since it is smaller than the sum of its proper divisors (1371350824).

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

1304221232 is a wasteful number, since it uses less digits than its factorization.

1304221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794956 (or 4794950 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1304221232 is about 36114.0032674308. The cubic root of 1304221232 is about 1092.5728946120.

Adding to 1304221232 its reverse (2321224031), we get a palindrome (3625445263).

The spelling of 1304221232 in words is "one billion, three hundred four million, two hundred twenty-one thousand, two hundred thirty-two".