2212843 has 4 divisors (see below), whose sum is σ = 2225808. Its totient is φ = 2199880.

The previous prime is 2212831. The next prime is 2212871. The reversal of 2212843 is 3482122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212843 - 2¹³ = 2204651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212883) 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, 6223 + ... + 6568.

It is an arithmetic number, because the mean of its divisors is an integer number (556452).

2^2212843 is an apocalyptic number.

2212843 is a deficient number, since it is larger than the sum of its proper divisors (12965).

2212843 is a wasteful number, since it uses less digits than its factorization.

2212843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964.

The product of its digits is 768, while the sum is 22.

The square root of 2212843 is about 1487.5627717848. The cubic root of 2212843 is about 130.3117370711.

Adding to 2212843 its reverse (3482122), we get a palindrome (5694965).

The spelling of 2212843 in words is "two million, two hundred twelve thousand, eight hundred forty-three".