2272182197 has 4 divisors (see below), whose sum is σ = 2282104620. Its totient is φ = 2262259776.

The previous prime is 2272182181. The next prime is 2272182251. The reversal of 2272182197 is 7912812722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1999073521 + 273108676 = 44711^2 + 16526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272182197 - 2⁴ = 2272182181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272182797) 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, 4960868 + ... + 4961325.

It is an arithmetic number, because the mean of its divisors is an integer number (570526155).

Almost surely, 2^2272182197 is an apocalyptic number.

It is an amenable number.

2272182197 is a deficient number, since it is larger than the sum of its proper divisors (9922423).

2272182197 is an equidigital number, since it uses as much as digits as its factorization.

2272182197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922422.

The product of its digits is 56448, while the sum is 41.

The square root of 2272182197 is about 47667.4123170117. The cubic root of 2272182197 is about 1314.6628303734.

The spelling of 2272182197 in words is "two billion, two hundred seventy-two million, one hundred eighty-two thousand, one hundred ninety-seven".