4421230405 has 4 divisors (see below), whose sum is σ = 5305476492. Its totient is φ = 3536984320.

The previous prime is 4421230393. The next prime is 4421230427. The reversal of 4421230405 is 5040321244.

It is a happy number.

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 752020929 + 3669209476 = 27423^2 + 60574^2 .

It is not a de Polignac number, because 4421230405 - 2⁷ = 4421230277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4421230405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442123036 + ... + 442123045.

It is an arithmetic number, because the mean of its divisors is an integer number (1326369123).

Almost surely, 2^4421230405 is an apocalyptic number.

It is an amenable number.

4421230405 is a deficient number, since it is larger than the sum of its proper divisors (884246087).

4421230405 is an equidigital number, since it uses as much as digits as its factorization.

4421230405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884246086.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4421230405 is about 66492.3334302534. Note that the first 3 decimals coincide. The cubic root of 4421230405 is about 1641.2738473271.

Adding to 4421230405 its reverse (5040321244), we get a palindrome (9461551649).

The spelling of 4421230405 in words is "four billion, four hundred twenty-one million, two hundred thirty thousand, four hundred five".