2212871 has 2 divisors, whose sum is σ = 2212872. Its totient is φ = 2212870.

The previous prime is 2212831. The next prime is 2212877. The reversal of 2212871 is 1782122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212871 - 2¹⁴ = 2196487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106435 + 1106436.

It is an arithmetic number, because the mean of its divisors is an integer number (1106436).

2^2212871 is an apocalyptic number.

2212871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212871 is an equidigital number, since it uses as much as digits as its factorization.

2212871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 23.

The square root of 2212871 is about 1487.5721831226. The cubic root of 2212871 is about 130.3122866979.

Adding to 2212871 its reverse (1782122), we get a palindrome (3994993).

The spelling of 2212871 in words is "two million, two hundred twelve thousand, eight hundred seventy-one".