1220304352 has 24 divisors (see below), whose sum is σ = 2419767000. Its totient is φ = 605760384.

The previous prime is 1220304301. The next prime is 1220304373. The reversal of 1220304352 is 2534030221.

It is a congruent number.

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, 132727 + ... + 141622.

It is an arithmetic number, because the mean of its divisors is an integer number (100823625).

Almost surely, 2^1220304352 is an apocalyptic number.

It is an amenable number.

1220304352 is a deficient number, since it is larger than the sum of its proper divisors (1199462648).

1220304352 is a wasteful number, since it uses less digits than its factorization.

1220304352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274498 (or 274490 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1220304352 is about 34932.8549076654. The cubic root of 1220304352 is about 1068.6185777229.

Adding to 1220304352 its reverse (2534030221), we get a palindrome (3754334573).

The spelling of 1220304352 in words is "one billion, two hundred twenty million, three hundred four thousand, three hundred fifty-two".