322142243 has 2 divisors, whose sum is σ = 322142244. Its totient is φ = 322142242.

The previous prime is 322142203. The next prime is 322142257. The reversal of 322142243 is 342241223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 322142243 - 2²² = 317947939 is a prime.

It is not a weakly prime, because it can be changed into another prime (322142203) 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, 161071121 + 161071122.

It is an arithmetic number, because the mean of its divisors is an integer number (161071122).

Almost surely, 2^322142243 is an apocalyptic number.

322142243 is a deficient number, since it is larger than the sum of its proper divisors (1).

322142243 is an equidigital number, since it uses as much as digits as its factorization.

322142243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 322142243 is about 17948.3214535510. The cubic root of 322142243 is about 685.5133119467.

Adding to 322142243 its reverse (342241223), we get a palindrome (664383466).

The spelling of 322142243 in words is "three hundred twenty-two million, one hundred forty-two thousand, two hundred forty-three".