4220442243 has 12 divisors (see below), whose sum is σ = 6096933648. Its totient is φ = 2813286960.

The previous prime is 4220442223. The next prime is 4220442263. The reversal of 4220442243 is 3422440224.

It is an interprime number because it is at equal distance from previous prime (4220442223) and next prime (4220442263).

It is not a de Polignac number, because 4220442243 - 2⁶ = 4220442179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4220442223) 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 11 ways as a sum of consecutive naturals, for example, 66633 + ... + 113493.

It is an arithmetic number, because the mean of its divisors is an integer number (508077804).

Almost surely, 2^4220442243 is an apocalyptic number.

4220442243 is a deficient number, since it is larger than the sum of its proper divisors (1876491405).

4220442243 is a wasteful number, since it uses less digits than its factorization.

4220442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56874 (or 56871 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 4220442243 is about 64964.9308704319. The cubic root of 4220442243 is about 1616.0420376516.

Adding to 4220442243 its reverse (3422440224), we get a palindrome (7642882467).

The spelling of 4220442243 in words is "four billion, two hundred twenty million, four hundred forty-two thousand, two hundred forty-three".