21422303032 has 32 divisors (see below), whose sum is σ = 43567801200. Its totient is φ = 9816079104.

The previous prime is 21422303009. The next prime is 21422303051. The reversal of 21422303032 is 23030322412.

It is a junction number, because it is equal to n+sod(n) for n = 21422302994 and 21422303012.

It is a congruent number.

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, 726493 + ... + 755404.

Almost surely, 2^21422303032 is an apocalyptic number.

It is an amenable number.

21422303032 is an abundant number, since it is smaller than the sum of its proper divisors (22145498168).

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

21422303032 is a wasteful number, since it uses less digits than its factorization.

21422303032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482055 (or 1482051 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21422303032 its reverse (23030322412), we get a palindrome (44452625444).

The spelling of 21422303032 in words is "twenty-one billion, four hundred twenty-two million, three hundred three thousand, thirty-two".