19422343 has 2 divisors, whose sum is σ = 19422344. Its totient is φ = 19422342.

The previous prime is 19422341. The next prime is 19422371. The reversal of 19422343 is 34322491.

It is an a-pointer prime, because the next prime (19422371) can be obtained adding 19422343 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19422343 - 2¹ = 19422341 is a prime.

Together with 19422341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19422341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9711171 + 9711172.

It is an arithmetic number, because the mean of its divisors is an integer number (9711172).

Almost surely, 2^19422343 is an apocalyptic number.

19422343 is a deficient number, since it is larger than the sum of its proper divisors (1).

19422343 is an equidigital number, since it uses as much as digits as its factorization.

19422343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 19422343 is about 4407.0787376674. The cubic root of 19422343 is about 268.8028525582.

The spelling of 19422343 in words is "nineteen million, four hundred twenty-two thousand, three hundred forty-three".