4243220351 has 8 divisors (see below), whose sum is σ = 4320249360. Its totient is φ = 4166361792.

The previous prime is 4243220341. The next prime is 4243220363. The reversal of 4243220351 is 1530223424.

4243220351 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243220351 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 4243220351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8171 + ... + 92483.

It is an arithmetic number, because the mean of its divisors is an integer number (540031170).

Almost surely, 2^4243220351 is an apocalyptic number.

4243220351 is a deficient number, since it is larger than the sum of its proper divisors (77029009).

4243220351 is an equidigital number, since it uses as much as digits as its factorization.

4243220351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85225.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4243220351 is about 65140.0057645070. The cubic root of 4243220351 is about 1618.9441312253.

Adding to 4243220351 its reverse (1530223424), we get a palindrome (5773443775).

The spelling of 4243220351 in words is "four billion, two hundred forty-three million, two hundred twenty thousand, three hundred fifty-one".