2220155449072 has 80 divisors (see below), whose sum is σ = 4845087037440. Its totient is φ = 976383878400.

The previous prime is 2220155449003. The next prime is 2220155449087. The reversal of 2220155449072 is 2709445510222.

2220155449072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2220155449072² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24960454 + ... + 25049242.

It is an arithmetic number, because the mean of its divisors is an integer number (60563587968).

Almost surely, 2^{2220155449072} is an apocalyptic number.

2220155449072 is a gapful number since it is divisible by the number (22) 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 2220155449072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422543518720).

2220155449072 is an abundant number, since it is smaller than the sum of its proper divisors (2624931588368).

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

2220155449072 is a wasteful number, since it uses less digits than its factorization.

2220155449072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93422 (or 93416 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 2220155449072 in words is "two trillion, two hundred twenty billion, one hundred fifty-five million, four hundred forty-nine thousand, seventy-two".