4221425305 has 16 divisors (see below), whose sum is σ = 5147020800. Its totient is φ = 3323295360.

The previous prime is 4221425293. The next prime is 4221425321. The reversal of 4221425305 is 5035241224.

It is not a de Polignac number, because 4221425305 - 2¹⁹ = 4220901017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71416 + ... + 116374.

It is an arithmetic number, because the mean of its divisors is an integer number (321688800).

Almost surely, 2^4221425305 is an apocalyptic number.

It is an amenable number.

4221425305 is a deficient number, since it is larger than the sum of its proper divisors (925595495).

4221425305 is a wasteful number, since it uses less digits than its factorization.

4221425305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45264.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4221425305 is about 64972.4965273769. The cubic root of 4221425305 is about 1616.1675020851.

Adding to 4221425305 its reverse (5035241224), we get a palindrome (9256666529).

The spelling of 4221425305 in words is "four billion, two hundred twenty-one million, four hundred twenty-five thousand, three hundred five".