22442454113550 has 192 divisors, whose sum is σ = 58811589984000. Its totient is φ = 5647940213760.

The previous prime is 22442454113539. The next prime is 22442454113579. The reversal of 22442454113550 is 5531145424422.

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 95 ways as a sum of consecutive naturals, for example, 861402324 + ... + 861428376.

It is an arithmetic number, because the mean of its divisors is an integer number (306310364500).

Almost surely, 2^{22442454113550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22442454113550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29405794992000).

22442454113550 is an abundant number, since it is smaller than the sum of its proper divisors (36369135870450).

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

22442454113550 is a wasteful number, since it uses less digits than its factorization.

22442454113550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27235 (or 27230 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 22442454113550 its reverse (5531145424422), we get a palindrome (27973599537972).

The spelling of 22442454113550 in words is "twenty-two trillion, four hundred forty-two billion, four hundred fifty-four million, one hundred thirteen thousand, five hundred fifty".