2213564 has 12 divisors (see below), whose sum is σ = 3885000. Its totient is φ = 1103568.

The previous prime is 2213551. The next prime is 2213591. The reversal of 2213564 is 4653122.

2213564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442 + ... + 2550.

It is an arithmetic number, because the mean of its divisors is an integer number (323750).

2^2213564 is an apocalyptic number.

It is an amenable number.

2213564 is a deficient number, since it is larger than the sum of its proper divisors (1671436).

2213564 is a wasteful number, since it uses less digits than its factorization.

2213564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1610 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2213564 is about 1487.8050947621. The cubic root of 2213564 is about 130.3258884833.

Adding to 2213564 its reverse (4653122), we get a palindrome (6866686).

The spelling of 2213564 in words is "two million, two hundred thirteen thousand, five hundred sixty-four".