1321322332 has 24 divisors (see below), whose sum is σ = 2523693312. Its totient is φ = 600322800.

The previous prime is 1321322323. The next prime is 1321322357. The reversal of 1321322332 is 2332231231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111903 + ... + 123145.

It is an arithmetic number, because the mean of its divisors is an integer number (105153888).

Almost surely, 2^1321322332 is an apocalyptic number.

It is an amenable number.

1321322332 is a deficient number, since it is larger than the sum of its proper divisors (1202370980).

1321322332 is a wasteful number, since it uses less digits than its factorization.

1321322332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929 (or 13927 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1321322332 is about 36349.9976891334. The cubic root of 1321322332 is about 1097.3274879974.

Adding to 1321322332 its reverse (2332231231), we get a palindrome (3653553563).

The spelling of 1321322332 in words is "one billion, three hundred twenty-one million, three hundred twenty-two thousand, three hundred thirty-two".