22071635432 has 128 divisors (see below), whose sum is σ = 54789488640. Its totient is φ = 8070036480.

The previous prime is 22071635407. The next prime is 22071635441. The reversal of 22071635432 is 23453617022.

It is a junction number, because it is equal to n+sod(n) for n = 22071635392 and 22071635401.

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 31 ways as a sum of consecutive naturals, for example, 3840353 + ... + 3846095.

It is an arithmetic number, because the mean of its divisors is an integer number (428042880).

Almost surely, 2^22071635432 is an apocalyptic number.

22071635432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22071635432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27394744320).

22071635432 is an abundant number, since it is smaller than the sum of its proper divisors (32717853208).

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

22071635432 is a wasteful number, since it uses less digits than its factorization.

22071635432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 22071635432 in words is "twenty-two billion, seventy-one million, six hundred thirty-five thousand, four hundred thirty-two".