21322410332 has 12 divisors (see below), whose sum is σ = 37520375256. Its totient is φ = 10602303120.

The previous prime is 21322410331. The next prime is 21322410397. The reversal of 21322410332 is 23301422312.

It is a junction number, because it is equal to n+sod(n) for n = 21322410298 and 21322410307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322410331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14724698 + ... + 14726145.

It is an arithmetic number, because the mean of its divisors is an integer number (3126697938).

Almost surely, 2^21322410332 is an apocalyptic number.

It is an amenable number.

21322410332 is a deficient number, since it is larger than the sum of its proper divisors (16197964924).

21322410332 is a wasteful number, since it uses less digits than its factorization.

21322410332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29451028 (or 29451026 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21322410332 its reverse (23301422312), we get a palindrome (44623832644).

The spelling of 21322410332 in words is "twenty-one billion, three hundred twenty-two million, four hundred ten thousand, three hundred thirty-two".