22018750163780 has 12 divisors (see below), whose sum is σ = 46239375343980. Its totient is φ = 8807500065504.

The previous prime is 22018750163719. The next prime is 22018750163791. The reversal of 22018750163780 is 8736105781022.

It can be written as a sum of positive squares in 2 ways, for example, as 6045235194436 + 15973514969344 = 2458706^2 + 3996688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550468754075 + ... + 550468754114.

It is an arithmetic number, because the mean of its divisors is an integer number (3853281278665).

Almost surely, 2^{22018750163780} is an apocalyptic number.

22018750163780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22018750163780 is an abundant number, since it is smaller than the sum of its proper divisors (24220625180200).

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

22018750163780 is a wasteful number, since it uses less digits than its factorization.

22018750163780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100937508198 (or 1100937508196 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 22018750163780 in words is "twenty-two trillion, eighteen billion, seven hundred fifty million, one hundred sixty-three thousand, seven hundred eighty".