4420388197 has 2 divisors, whose sum is σ = 4420388198. Its totient is φ = 4420388196.

The previous prime is 4420388179. The next prime is 4420388233. The reversal of 4420388197 is 7918830244.

It is a Cunningham number, because it is equal to 66486²+1.

Together with previous prime (4420388179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4420388196 + 1 = 66486^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420388197 - 2³¹ = 2272904549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4420388107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210194098 + 2210194099.

It is an arithmetic number, because the mean of its divisors is an integer number (2210194099).

Almost surely, 2^4420388197 is an apocalyptic number.

It is an amenable number.

4420388197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420388197 is an equidigital number, since it uses as much as digits as its factorization.

4420388197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 4420388197 is about 66486.0000075204. Note that the first 5 decimals coincide. The cubic root of 4420388197 is about 1641.1696243229.

The spelling of 4420388197 in words is "four billion, four hundred twenty million, three hundred eighty-eight thousand, one hundred ninety-seven".