4220400043 has 2 divisors, whose sum is σ = 4220400044. Its totient is φ = 4220400042.

The previous prime is 4220400031. The next prime is 4220400101. The reversal of 4220400043 is 3400040224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4220400043 - 2²⁹ = 3683529131 is a prime.

It is not a weakly prime, because it can be changed into another prime (4220400013) 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 as a sum of consecutive naturals, namely, 2110200021 + 2110200022.

It is an arithmetic number, because the mean of its divisors is an integer number (2110200022).

Almost surely, 2^4220400043 is an apocalyptic number.

4220400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220400043 is an equidigital number, since it uses as much as digits as its factorization.

4220400043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4220400043 is about 64964.6060790027. The cubic root of 4220400043 is about 1616.0366513913.

Adding to 4220400043 its reverse (3400040224), we get a palindrome (7620440267).

The spelling of 4220400043 in words is "four billion, two hundred twenty million, four hundred thousand, forty-three".