4221446563 has 4 divisors (see below), whose sum is σ = 4221949248. Its totient is φ = 4220943880.

The previous prime is 4221446539. The next prime is 4221446597. The reversal of 4221446563 is 3656441224.

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

It is a cyclic number.

It is not a de Polignac number, because 4221446563 - 2¹³ = 4221438371 is a prime.

It is a super-2 number, since 2×4221446563² = 35641222168529025938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221440563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238528 + ... + 255613.

It is an arithmetic number, because the mean of its divisors is an integer number (1055487312).

Almost surely, 2^4221446563 is an apocalyptic number.

4221446563 is a deficient number, since it is larger than the sum of its proper divisors (502685).

4221446563 is an equidigital number, since it uses as much as digits as its factorization.

4221446563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502684.

The product of its digits is 138240, while the sum is 37.

The square root of 4221446563 is about 64972.6601194687. The cubic root of 4221446563 is about 1616.1702149469.

Adding to 4221446563 its reverse (3656441224), we get a palindrome (7877887787).

The spelling of 4221446563 in words is "four billion, two hundred twenty-one million, four hundred forty-six thousand, five hundred sixty-three".