22250450112550 has 96 divisors (see below), whose sum is σ = 45456984540000. Its totient is φ = 8035746432000.

The previous prime is 22250450112467. The next prime is 22250450112571. The reversal of 22250450112550 is 5521105405222.

It is a super-2 number, since 2×22250450112550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 986748676 + ... + 986771224.

It is an arithmetic number, because the mean of its divisors is an integer number (473510255625).

Almost surely, 2^{22250450112550} is an apocalyptic number.

22250450112550 is an abundant number, since it is smaller than the sum of its proper divisors (23206534427450).

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

22250450112550 is a wasteful number, since it uses less digits than its factorization.

22250450112550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34762 (or 34757 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 22250450112550 its reverse (5521105405222), we get a palindrome (27771555517772).

The spelling of 22250450112550 in words is "twenty-two trillion, two hundred fifty billion, four hundred fifty million, one hundred twelve thousand, five hundred fifty".