2205423 has 12 divisors (see below), whose sum is σ = 3475368. Its totient is φ = 1336560.

The previous prime is 2205409. The next prime is 2205449. The reversal of 2205423 is 3245022.

It is not a de Polignac number, because 2205423 - 2⁸ = 2205167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2205396 and 2205405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205023) 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 11 ways as a sum of consecutive naturals, for example, 11040 + ... + 11237.

It is an arithmetic number, because the mean of its divisors is an integer number (289614).

2^2205423 is an apocalyptic number.

2205423 is a deficient number, since it is larger than the sum of its proper divisors (1269945).

2205423 is a wasteful number, since it uses less digits than its factorization.

2205423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22294 (or 22291 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2205423 is about 1485.0666651703. The cubic root of 2205423 is about 130.1659222614.

It can be divided in two parts, 2205 and 423, that added together give a triangular number (2628 = T₇₂).

The spelling of 2205423 in words is "two million, two hundred five thousand, four hundred twenty-three".