4223005 has 4 divisors (see below), whose sum is σ = 5067612. Its totient is φ = 3378400.

The previous prime is 4223003. The next prime is 4223027. The reversal of 4223005 is 5003224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 972196 + 3250809 = 986^2 + 1803^2 .

It is not a de Polignac number, because 4223005 - 2¹ = 4223003 is a prime.

It is a Duffinian number.

4223005 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223003) 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, 422296 + ... + 422305.

It is an arithmetic number, because the mean of its divisors is an integer number (1266903).

Almost surely, 2^4223005 is an apocalyptic number.

It is an amenable number.

4223005 is a deficient number, since it is larger than the sum of its proper divisors (844607).

4223005 is an equidigital number, since it uses as much as digits as its factorization.

4223005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844606.

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

The square root of 4223005 is about 2054.9951338142. The cubic root of 4223005 is about 161.6369071709.

Adding to 4223005 its reverse (5003224), we get a palindrome (9226229).

The spelling of 4223005 in words is "four million, two hundred twenty-three thousand, five".