2133223 has 4 divisors (see below), whose sum is σ = 2137968. Its totient is φ = 2128480.

The previous prime is 2133217. The next prime is 2133251. The reversal of 2133223 is 3223312.

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 2133223 - 2⁵ = 2133191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133197 and 2133206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133253) 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, 1618 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (534492).

2^2133223 is an apocalyptic number.

2133223 is a deficient number, since it is larger than the sum of its proper divisors (4745).

2133223 is an equidigital number, since it uses as much as digits as its factorization.

2133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744.

The product of its digits is 216, while the sum is 16.

The square root of 2133223 is about 1460.5557161574. Note that the first 3 decimals coincide. The cubic root of 2133223 is about 128.7296986245.

Adding to 2133223 its reverse (3223312), we get a palindrome (5356535).

It can be divided in two parts, 2 and 133223, that added together give a square (133225 = 365²).

The spelling of 2133223 in words is "two million, one hundred thirty-three thousand, two hundred twenty-three".