2212565 has 16 divisors (see below), whose sum is σ = 2794176. Its totient is φ = 1680000.

The previous prime is 2212547. The next prime is 2212571. The reversal of 2212565 is 5652122.

It is not a de Polignac number, because 2212565 - 2¹⁰ = 2211541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8690 + ... + 8940.

It is an arithmetic number, because the mean of its divisors is an integer number (174636).

2^2212565 is an apocalyptic number.

It is an amenable number.

2212565 is a deficient number, since it is larger than the sum of its proper divisors (581611).

2212565 is a wasteful number, since it uses less digits than its factorization.

2212565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 1200, while the sum is 23.

The square root of 2212565 is about 1487.4693274149. The cubic root of 2212565 is about 130.3062798109.

Adding to 2212565 its reverse (5652122), we get a palindrome (7864687).

The spelling of 2212565 in words is "two million, two hundred twelve thousand, five hundred sixty-five".