2272182156 has 36 divisors (see below), whose sum is σ = 5764790304. Its totient is φ = 754596000.

The previous prime is 2272182119. The next prime is 2272182181. The reversal of 2272182156 is 6512812722.

It is a happy number.

2272182156 is a `hidden beast` number, since 227 + 218 + 215 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2272182156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106695 + ... + 126206.

It is an arithmetic number, because the mean of its divisors is an integer number (160133064).

Almost surely, 2^2272182156 is an apocalyptic number.

It is an amenable number.

2272182156 is an abundant number, since it is smaller than the sum of its proper divisors (3492608148).

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

2272182156 is a wasteful number, since it uses less digits than its factorization.

2272182156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233182 (or 233177 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 2272182156 is about 47667.4118869485. The cubic root of 2272182156 is about 1314.6628224660.

Adding to 2272182156 its reverse (6512812722), we get a palindrome (8784994878).

The spelling of 2272182156 in words is "two billion, two hundred seventy-two million, one hundred eighty-two thousand, one hundred fifty-six".