422300443 has 2 divisors, whose sum is σ = 422300444. Its totient is φ = 422300442.

The previous prime is 422300423. The next prime is 422300471. The reversal of 422300443 is 344003224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422300443 is a prime.

It is not a weakly prime, because it can be changed into another prime (422300423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211150221 + 211150222.

It is an arithmetic number, because the mean of its divisors is an integer number (211150222).

Almost surely, 2^422300443 is an apocalyptic number.

422300443 is a deficient number, since it is larger than the sum of its proper divisors (1).

422300443 is an equidigital number, since it uses as much as digits as its factorization.

422300443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 422300443 is about 20549.9499512773. The cubic root of 422300443 is about 750.2520296689.

Adding to 422300443 its reverse (344003224), we get a palindrome (766303667).

The spelling of 422300443 in words is "four hundred twenty-two million, three hundred thousand, four hundred forty-three".