2193271 has 2 divisors, whose sum is σ = 2193272. Its totient is φ = 2193270.

The previous prime is 2193263. The next prime is 2193311. The reversal of 2193271 is 1723912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2193271 - 2³ = 2193263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2193251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096635 + 1096636.

It is an arithmetic number, because the mean of its divisors is an integer number (1096636).

2^2193271 is an apocalyptic number.

2193271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193271 is an equidigital number, since it uses as much as digits as its factorization.

2193271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 2193271 is about 1480.9696148132. The cubic root of 2193271 is about 129.9264080522.

The spelling of 2193271 in words is "two million, one hundred ninety-three thousand, two hundred seventy-one".