2223505 has 4 divisors (see below), whose sum is σ = 2668212. Its totient is φ = 1778800.

The previous prime is 2223503. The next prime is 2223521. The reversal of 2223505 is 5053222.

2223505 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 an emirpimes, since its reverse is a distinct semiprime: 5053222 = 2 ⋅2526611.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 898704 = 1151^2 + 948^2 .

It is not a de Polignac number, because 2223505 - 2¹ = 2223503 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 2¹³ + 2¹⁸ + 3 + 5² + 0 + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223503) 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, 222346 + ... + 222355.

It is an arithmetic number, because the mean of its divisors is an integer number (667053).

2^2223505 is an apocalyptic number.

It is an amenable number.

2223505 is a deficient number, since it is larger than the sum of its proper divisors (444707).

2223505 is an equidigital number, since it uses as much as digits as its factorization.

2223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444706.

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

The square root of 2223505 is about 1491.1421796730. The cubic root of 2223505 is about 130.5206927351.

Adding to 2223505 its reverse (5053222), we get a palindrome (7276727).

The spelling of 2223505 in words is "two million, two hundred twenty-three thousand, five hundred five".