1304532222 has 16 divisors (see below), whose sum is σ = 2981788032. Its totient is φ = 372723480.

The previous prime is 1304532217. The next prime is 1304532223. The reversal of 1304532222 is 2222354031.

It is a junction number, because it is equal to n+sod(n) for n = 1304532192 and 1304532201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304532223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15530104 + ... + 15530187.

It is an arithmetic number, because the mean of its divisors is an integer number (186361752).

Almost surely, 2^1304532222 is an apocalyptic number.

1304532222 is an abundant number, since it is smaller than the sum of its proper divisors (1677255810).

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

1304532222 is a wasteful number, since it uses less digits than its factorization.

1304532222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31060303.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1304532222 is about 36118.3086813322. The cubic root of 1304532222 is about 1092.6597286125.

Adding to 1304532222 its reverse (2222354031), we get a palindrome (3526886253).

The spelling of 1304532222 in words is "one billion, three hundred four million, five hundred thirty-two thousand, two hundred twenty-two".