2212771 has 8 divisors (see below), whose sum is σ = 2556144. Its totient is φ = 1893120.

The previous prime is 2212753. The next prime is 2212781. The reversal of 2212771 is 1772122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2212771 - 2¹¹ = 2210723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5730 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (319518).

2^2212771 is an apocalyptic number.

2212771 is a deficient number, since it is larger than the sum of its proper divisors (343373).

2212771 is a wasteful number, since it uses less digits than its factorization.

2212771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861.

The product of its digits is 392, while the sum is 22.

The square root of 2212771 is about 1487.5385709285. The cubic root of 2212771 is about 130.3103237238.

Adding to 2212771 its reverse (1772122), we get a palindrome (3984893).

It can be divided in two parts, 221 and 2771, that added together give a palindrome (2992).

The spelling of 2212771 in words is "two million, two hundred twelve thousand, seven hundred seventy-one".