21232214332 has 24 divisors (see below), whose sum is σ = 42788592000. Its totient is φ = 9030056880.

The previous prime is 21232214329. The next prime is 21232214351. The reversal of 21232214332 is 23341223212.

It is a junction number, because it is equal to n+sod(n) for n = 21232214297 and 21232214306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890582 + ... + 2897917.

It is an arithmetic number, because the mean of its divisors is an integer number (1782858000).

Almost surely, 2^21232214332 is an apocalyptic number.

It is an amenable number.

21232214332 is an abundant number, since it is smaller than the sum of its proper divisors (21556377668).

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

21232214332 is a wasteful number, since it uses less digits than its factorization.

21232214332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788641 (or 5788639 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

Adding to 21232214332 its reverse (23341223212), we get a palindrome (44573437544).

The spelling of 21232214332 in words is "twenty-one billion, two hundred thirty-two million, two hundred fourteen thousand, three hundred thirty-two".