2214871 has 4 divisors (see below), whose sum is σ = 2226312. Its totient is φ = 2203432.

The previous prime is 2214869. The next prime is 2214907. The reversal of 2214871 is 1784122.

It is a happy number.

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 2214871 - 2¹ = 2214869 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 2²⁰ + 1 + 4 + 8² + 7⁶ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5425 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (556578).

2^2214871 is an apocalyptic number.

2214871 is the 796-th centered heptagonal number.

2214871 is a deficient number, since it is larger than the sum of its proper divisors (11441).

2214871 is a wasteful number, since it uses less digits than its factorization.

2214871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440.

The product of its digits is 896, while the sum is 25.

The square root of 2214871 is about 1488.2442675851. The cubic root of 2214871 is about 130.3515337657.

Adding to 2214871 its reverse (1784122), we get a palindrome (3998993).

The spelling of 2214871 in words is "two million, two hundred fourteen thousand, eight hundred seventy-one".