2205523 has 4 divisors (see below), whose sum is σ = 2208640. Its totient is φ = 2202408.

The previous prime is 2205521. The next prime is 2205527. The reversal of 2205523 is 3255022.

2205523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2205523 - 2¹ = 2205521 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 2205523.

It is not an unprimeable number, because it can be changed into a prime (2205521) by changing a digit.

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, 73 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (552160).

2^2205523 is an apocalyptic number.

2205523 is a deficient number, since it is larger than the sum of its proper divisors (3117).

2205523 is a wasteful number, since it uses less digits than its factorization.

2205523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2205523 is about 1485.1003333109. The cubic root of 2205523 is about 130.1678895931.

The spelling of 2205523 in words is "two million, two hundred five thousand, five hundred twenty-three".