321144422219 has 2 divisors, whose sum is σ = 321144422220. Its totient is φ = 321144422218.

The previous prime is 321144422189. The next prime is 321144422243. The reversal of 321144422219 is 912224441123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321144422219 - 2⁸ = 321144421963 is a prime.

It is a super-2 number, since 2×321144422219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321144412219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160572211109 + 160572211110.

It is an arithmetic number, because the mean of its divisors is an integer number (160572211110).

Almost surely, 2^321144422219 is an apocalyptic number.

321144422219 is a deficient number, since it is larger than the sum of its proper divisors (1).

321144422219 is an equidigital number, since it uses as much as digits as its factorization.

321144422219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The spelling of 321144422219 in words is "three hundred twenty-one billion, one hundred forty-four million, four hundred twenty-two thousand, two hundred nineteen".