1304222232 has 32 divisors (see below), whose sum is σ = 3261660480. Its totient is φ = 434593440.

The previous prime is 1304222219. The next prime is 1304222233. The reversal of 1304222232 is 2322224031.

1304222232 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1304222199 and 1304222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304222233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81223 + ... + 95945.

It is an arithmetic number, because the mean of its divisors is an integer number (101926890).

Almost surely, 2^1304222232 is an apocalyptic number.

1304222232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304222232 is an abundant number, since it is smaller than the sum of its proper divisors (1957438248).

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

1304222232 is a wasteful number, since it uses less digits than its factorization.

1304222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18423 (or 18419 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1304222232 is about 36114.0171124731. The cubic root of 1304222232 is about 1092.5731738521.

Adding to 1304222232 its reverse (2322224031), we get a palindrome (3626446263).

The spelling of 1304222232 in words is "one billion, three hundred four million, two hundred twenty-two thousand, two hundred thirty-two".