4420305 has 32 divisors (see below), whose sum is σ = 7948800. Its totient is φ = 2330496.

The previous prime is 4420249. The next prime is 4420309. The reversal of 4420305 is 5030244.

It is a happy number.

It is not a de Polignac number, because 4420305 - 2⁸ = 4420049 is a prime.

4420305 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4420309) 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 31 ways as a sum of consecutive naturals, for example, 18376 + ... + 18614.

It is an arithmetic number, because the mean of its divisors is an integer number (248400).

Almost surely, 2^4420305 is an apocalyptic number.

4420305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4420305 is a deficient number, since it is larger than the sum of its proper divisors (3528495).

4420305 is a wasteful number, since it uses less digits than its factorization.

4420305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4420305 is about 2102.4521397644. The cubic root of 4420305 is about 164.1159327999.

Adding to 4420305 its reverse (5030244), we get a palindrome (9450549).

The spelling of 4420305 in words is "four million, four hundred twenty thousand, three hundred five".