2218722019072 has 144 divisors (see below), whose sum is σ = 4852079511552. Its totient is φ = 1006357524480.

The previous prime is 2218722019061. The next prime is 2218722019079. The reversal of 2218722019072 is 2709102278122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218722019079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96091113 + ... + 96114199.

It is an arithmetic number, because the mean of its divisors is an integer number (33694996608).

Almost surely, 2^{2218722019072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2218722019072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426039755776).

2218722019072 is an abundant number, since it is smaller than the sum of its proper divisors (2633357492480).

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

2218722019072 is a wasteful number, since it uses less digits than its factorization.

2218722019072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23614 (or 23600 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 2218722019072 in words is "two trillion, two hundred eighteen billion, seven hundred twenty-two million, nineteen thousand, seventy-two".