2205223 has 4 divisors (see below), whose sum is σ = 2334960. Its totient is φ = 2075488.

The previous prime is 2205199. The next prime is 2205233. The reversal of 2205223 is 3225022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205223 is a prime.

It is an Ulam number.

It is a Duffinian number.

2205223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2205197 and 2205206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205233) 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, 64843 + ... + 64876.

It is an arithmetic number, because the mean of its divisors is an integer number (583740).

2^2205223 is an apocalyptic number.

2205223 is a deficient number, since it is larger than the sum of its proper divisors (129737).

2205223 is a wasteful number, since it uses less digits than its factorization.

2205223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129736.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2205223 is about 1484.9993265992. Note that the first 3 decimals coincide. The cubic root of 2205223 is about 130.1619874197.

The spelling of 2205223 in words is "two million, two hundred five thousand, two hundred twenty-three".