22650233216550 has 96 divisors (see below), whose sum is σ = 56945598998400. Its totient is φ = 5956951968000.

The previous prime is 22650233216543. The next prime is 22650233216603. The reversal of 22650233216550 is 5561233205622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206889325 + ... + 206998775.

It is an arithmetic number, because the mean of its divisors is an integer number (593183322900).

Almost surely, 2^{22650233216550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22650233216550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28472799499200).

22650233216550 is an abundant number, since it is smaller than the sum of its proper divisors (34295365781850).

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

22650233216550 is a wasteful number, since it uses less digits than its factorization.

22650233216550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128438 (or 128433 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 22650233216550 in words is "twenty-two trillion, six hundred fifty billion, two hundred thirty-three million, two hundred sixteen thousand, five hundred fifty".