4394422397 has 2 divisors, whose sum is σ = 4394422398. Its totient is φ = 4394422396.

The previous prime is 4394422387. The next prime is 4394422421. The reversal of 4394422397 is 7932244934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4018799236 + 375623161 = 63394^2 + 19381^2 .

It is a cyclic number.

It is not a de Polignac number, because 4394422397 - 2¹⁶ = 4394356861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4394422387) 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, 2197211198 + 2197211199.

It is an arithmetic number, because the mean of its divisors is an integer number (2197211199).

Almost surely, 2^4394422397 is an apocalyptic number.

It is an amenable number.

4394422397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394422397 is an equidigital number, since it uses as much as digits as its factorization.

4394422397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 47.

The square root of 4394422397 is about 66290.4397104137. The cubic root of 4394422397 is about 1637.9498470941.

The spelling of 4394422397 in words is "four billion, three hundred ninety-four million, four hundred twenty-two thousand, three hundred ninety-seven".