30222443 has 2 divisors, whose sum is σ = 30222444. Its totient is φ = 30222442.

The previous prime is 30222431. The next prime is 30222473. The reversal of 30222443 is 34422203.

It is a weak prime.

It is an emirp because it is prime and its reverse (34422203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30222443 - 2⁸ = 30222187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30222473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111221 + 15111222.

It is an arithmetic number, because the mean of its divisors is an integer number (15111222).

Almost surely, 2^30222443 is an apocalyptic number.

30222443 is a deficient number, since it is larger than the sum of its proper divisors (1).

30222443 is an equidigital number, since it uses as much as digits as its factorization.

30222443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 30222443 is about 5497.4942473822. The cubic root of 30222443 is about 311.4893403785.

Adding to 30222443 its reverse (34422203), we get a palindrome (64644646).

The spelling of 30222443 in words is "thirty million, two hundred twenty-two thousand, four hundred forty-three".