1220323332 has 12 divisors (see below), whose sum is σ = 2847421136. Its totient is φ = 406774440.

The previous prime is 1220323319. The next prime is 1220323399. The reversal of 1220323332 is 2333230221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1220323299 and 1220323308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50846794 + ... + 50846817.

Almost surely, 2^1220323332 is an apocalyptic number.

1220323332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220323332 is an abundant number, since it is smaller than the sum of its proper divisors (1627097804).

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

1220323332 is a wasteful number, since it uses less digits than its factorization.

1220323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101693618 (or 101693616 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1220323332 is about 34933.1265706349. The cubic root of 1220323332 is about 1068.6241179461.

Adding to 1220323332 its reverse (2333230221), we get a palindrome (3553553553).

The spelling of 1220323332 in words is "one billion, two hundred twenty million, three hundred twenty-three thousand, three hundred thirty-two".