2212517 has 4 divisors (see below), whose sum is σ = 2219040. Its totient is φ = 2205996.

The previous prime is 2212487. The next prime is 2212519. The reversal of 2212517 is 7152122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2212517 - 2⁶ = 2212453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212519) 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, 2723 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (554760).

2^2212517 is an apocalyptic number.

It is an amenable number.

2212517 is a deficient number, since it is larger than the sum of its proper divisors (6523).

2212517 is an equidigital number, since it uses as much as digits as its factorization.

2212517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522.

The product of its digits is 280, while the sum is 20.

The square root of 2212517 is about 1487.4531925409. The cubic root of 2212517 is about 130.3053375039.

Adding to 2212517 its reverse (7152122), we get a palindrome (9364639).

The spelling of 2212517 in words is "two million, two hundred twelve thousand, five hundred seventeen".