2243272172 has 6 divisors (see below), whose sum is σ = 3925726308. Its totient is φ = 1121636084.

The previous prime is 2243272169. The next prime is 2243272219. The reversal of 2243272172 is 2712723422.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280409018 + ... + 280409025.

It is an arithmetic number, because the mean of its divisors is an integer number (654287718).

Almost surely, 2^2243272172 is an apocalyptic number.

It is an amenable number.

2243272172 is a deficient number, since it is larger than the sum of its proper divisors (1682454136).

2243272172 is a wasteful number, since it uses less digits than its factorization.

2243272172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560818047 (or 560818045 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 2243272172 is about 47363.1942757243. The cubic root of 2243272172 is about 1309.0633266922.

Adding to 2243272172 its reverse (2712723422), we get a palindrome (4955995594).

The spelling of 2243272172 in words is "two billion, two hundred forty-three million, two hundred seventy-two thousand, one hundred seventy-two".