2188272084 has 12 divisors (see below), whose sum is σ = 5105968224. Its totient is φ = 729424024.

The previous prime is 2188272083. The next prime is 2188272089. The reversal of 2188272084 is 4802728812.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2188272084² = 9577069427227406112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188272083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91177992 + ... + 91178015.

It is an arithmetic number, because the mean of its divisors is an integer number (425497352).

Almost surely, 2^2188272084 is an apocalyptic number.

It is an amenable number.

2188272084 is an abundant number, since it is smaller than the sum of its proper divisors (2917696140).

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

2188272084 is a wasteful number, since it uses less digits than its factorization.

2188272084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182356014 (or 182356012 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 2188272084 is about 46778.9705316395. The cubic root of 2188272084 is about 1298.2762328929.

The spelling of 2188272084 in words is "two billion, one hundred eighty-eight million, two hundred seventy-two thousand, eighty-four".