22201022550432 has 48 divisors (see below), whose sum is σ = 63575655488352. Its totient is φ = 6727582590720.

The previous prime is 22201022550347. The next prime is 22201022550461. The reversal of 22201022550432 is 23405522010222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 22201022550432.

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, 10511846743 + ... + 10511848854.

It is an arithmetic number, because the mean of its divisors is an integer number (1324492822674).

Almost surely, 2^{22201022550432} is an apocalyptic number.

22201022550432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22201022550432 is an abundant number, since it is smaller than the sum of its proper divisors (41374632937920).

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

22201022550432 is a wasteful number, since it uses less digits than its factorization.

22201022550432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21023695621 (or 21023695613 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22201022550432 its reverse (23405522010222), we get a palindrome (45606544560654).

The spelling of 22201022550432 in words is "twenty-two trillion, two hundred one billion, twenty-two million, five hundred fifty thousand, four hundred thirty-two".