4220351663 has 4 divisors (see below), whose sum is σ = 4604020008. Its totient is φ = 3836683320.

The previous prime is 4220351657. The next prime is 4220351669. The reversal of 4220351663 is 3661530224.

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

It is an interprime number because it is at equal distance from previous prime (4220351657) and next prime (4220351669).

It is a cyclic number.

It is not a de Polignac number, because 4220351663 - 2⁴ = 4220351647 is a prime.

It is a super-2 number, since 2×4220351663² = 35622736318773731138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220351669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191834156 + ... + 191834177.

It is an arithmetic number, because the mean of its divisors is an integer number (1151005002).

Almost surely, 2^4220351663 is an apocalyptic number.

4220351663 is a deficient number, since it is larger than the sum of its proper divisors (383668345).

4220351663 is a wasteful number, since it uses less digits than its factorization.

4220351663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383668344.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 4220351663 is about 64964.2337213332. The cubic root of 4220351663 is about 1616.0304762933.

Adding to 4220351663 its reverse (3661530224), we get a palindrome (7881881887).

The spelling of 4220351663 in words is "four billion, two hundred twenty million, three hundred fifty-one thousand, six hundred sixty-three".