22016500032450 has 384 divisors, whose sum is σ = 68310127872000. Its totient is φ = 4559009126400.

The previous prime is 22016500032421. The next prime is 22016500032517. The reversal of 22016500032450 is 5423000561022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4593467254 + ... + 4593472046.

It is an arithmetic number, because the mean of its divisors is an integer number (177890958000).

Almost surely, 2^{22016500032450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22016500032450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34155063936000).

22016500032450 is an abundant number, since it is smaller than the sum of its proper divisors (46293627839550).

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

22016500032450 is a wasteful number, since it uses less digits than its factorization.

22016500032450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22016500032450 its reverse (5423000561022), we get a palindrome (27439500593472).

The spelling of 22016500032450 in words is "twenty-two trillion, sixteen billion, five hundred million, thirty-two thousand, four hundred fifty".