22144418227500 has 480 divisors, whose sum is σ = 68917957194240. Its totient is φ = 5520159744000.

The previous prime is 22144418227427. The next prime is 22144418227507. The reversal of 22144418227500 is 572281444122.

It is not an unprimeable number, because it can be changed into a prime (22144418227507) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1760701212 + ... + 1760713788.

It is an arithmetic number, because the mean of its divisors is an integer number (143579077488).

Almost surely, 2^{22144418227500} is an apocalyptic number.

22144418227500 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 22144418227500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34458978597120).

22144418227500 is an abundant number, since it is smaller than the sum of its proper divisors (46773538966740).

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

22144418227500 is a wasteful number, since it uses less digits than its factorization.

22144418227500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859 (or 12842 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The spelling of 22144418227500 in words is "twenty-two trillion, one hundred forty-four billion, four hundred eighteen million, two hundred twenty-seven thousand, five hundred".