21323332322 has 16 divisors (see below), whose sum is σ = 33928411680. Its totient is φ = 10016155968.

The previous prime is 21323332301. The next prime is 21323332363. The reversal of 21323332322 is 22323332312.

It is a junction number, because it is equal to n+sod(n) for n = 21323332291 and 21323332300.

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, 554672 + ... + 591867.

It is an arithmetic number, because the mean of its divisors is an integer number (2120525730).

Almost surely, 2^21323332322 is an apocalyptic number.

21323332322 is a deficient number, since it is larger than the sum of its proper divisors (12605079358).

21323332322 is a wasteful number, since it uses less digits than its factorization.

21323332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147105.

The product of its digits is 7776, while the sum is 26.

Adding to 21323332322 its reverse (22323332312), we get a palindrome (43646664634).

The spelling of 21323332322 in words is "twenty-one billion, three hundred twenty-three million, three hundred thirty-two thousand, three hundred twenty-two".