2105223 has 4 divisors (see below), whose sum is σ = 2806968. Its totient is φ = 1403480.

The previous prime is 2105209. The next prime is 2105231. The reversal of 2105223 is 3225012.

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

It is a cyclic number.

It is not a de Polignac number, because 2105223 - 2¹³ = 2097031 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105203) 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, 350868 + ... + 350873.

It is an arithmetic number, because the mean of its divisors is an integer number (701742).

2^2105223 is an apocalyptic number.

2105223 is a deficient number, since it is larger than the sum of its proper divisors (701745).

2105223 is an equidigital number, since it uses as much as digits as its factorization.

2105223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701744.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2105223 is about 1450.9386616946. The cubic root of 2105223 is about 128.1639947142.

The spelling of 2105223 in words is "two million, one hundred five thousand, two hundred twenty-three".