21022323332 has 12 divisors (see below), whose sum is σ = 37232308176. Its totient is φ = 10384521000.

The previous prime is 21022323323. The next prime is 21022323341. The reversal of 21022323332 is 23332322012.

It is an interprime number because it is at equal distance from previous prime (21022323323) and next prime (21022323341).

It is a junction number, because it is equal to n+sod(n) for n = 21022323298 and 21022323307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31659794 + ... + 31660457.

It is an arithmetic number, because the mean of its divisors is an integer number (3102692348).

Almost surely, 2^21022323332 is an apocalyptic number.

It is an amenable number.

21022323332 is a deficient number, since it is larger than the sum of its proper divisors (16209984844).

21022323332 is a wasteful number, since it uses less digits than its factorization.

21022323332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63320338 (or 63320336 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21022323332 its reverse (23332322012), we get a palindrome (44354645344).

The spelling of 21022323332 in words is "twenty-one billion, twenty-two million, three hundred twenty-three thousand, three hundred thirty-two".