22320550080500 has 192 divisors, whose sum is σ = 57082733600256. Its totient is φ = 7464562560000.

The previous prime is 22320550080449. The next prime is 22320550080529. The reversal of 22320550080500 is 508005502322.

It is a super-3 number, since 3×22320550080500³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 849937370 + ... + 849963630.

It is an arithmetic number, because the mean of its divisors is an integer number (297305904168).

Almost surely, 2^{22320550080500} is an apocalyptic number.

22320550080500 is a gapful number since it is divisible by the number (20) 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 22320550080500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28541366800128).

22320550080500 is an abundant number, since it is smaller than the sum of its proper divisors (34762183519756).

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

22320550080500 is a wasteful number, since it uses less digits than its factorization.

22320550080500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32251 (or 32239 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 22320550080500 its reverse (508005502322), we get a palindrome (22828555582822).

The spelling of 22320550080500 in words is "twenty-two trillion, three hundred twenty billion, five hundred fifty million, eighty thousand, five hundred".