4223505 has 48 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 1879680.

The previous prime is 4223501. The next prime is 4223507. The reversal of 4223505 is 5053224.

It is not a de Polignac number, because 4223505 - 2² = 4223501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4223501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23506 + ... + 23684.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

Almost surely, 2^4223505 is an apocalyptic number.

It is an amenable number.

4223505 is a deficient number, since it is larger than the sum of its proper divisors (3820335).

4223505 is a wasteful number, since it uses less digits than its factorization.

4223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 4223505 is about 2055.1167850027. The cubic root of 4223505 is about 161.6432861407.

Adding to 4223505 its reverse (5053224), we get a palindrome (9276729).

The spelling of 4223505 in words is "four million, two hundred twenty-three thousand, five hundred five".