21422043332 has 48 divisors (see below), whose sum is σ = 40571290368. Its totient is φ = 9858455040.

The previous prime is 21422043317. The next prime is 21422043371. The reversal of 21422043332 is 23334022412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5997107 + ... + 6000677.

It is an arithmetic number, because the mean of its divisors is an integer number (845235216).

Almost surely, 2^21422043332 is an apocalyptic number.

It is an amenable number.

21422043332 is a deficient number, since it is larger than the sum of its proper divisors (19149247036).

21422043332 is a wasteful number, since it uses less digits than its factorization.

21422043332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 21422043332 its reverse (23334022412), we get a palindrome (44756065744).

The spelling of 21422043332 in words is "twenty-one billion, four hundred twenty-two million, forty-three thousand, three hundred thirty-two".