2272185556 has 12 divisors (see below), whose sum is σ = 3993843168. Its totient is φ = 1131087512.

The previous prime is 2272185533. The next prime is 2272185557. The reversal of 2272185556 is 6555812722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272185557) by changing a digit.

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, 1250296 + ... + 1252111.

It is an arithmetic number, because the mean of its divisors is an integer number (332820264).

Almost surely, 2^2272185556 is an apocalyptic number.

It is an amenable number.

2272185556 is a deficient number, since it is larger than the sum of its proper divisors (1721657612).

2272185556 is a wasteful number, since it uses less digits than its factorization.

2272185556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502638 (or 2502636 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 2272185556 is about 47667.4475507133. The cubic root of 2272185556 is about 1314.6634782015.

The spelling of 2272185556 in words is "two billion, two hundred seventy-two million, one hundred eighty-five thousand, five hundred fifty-six".