422021420223329 has 2 divisors, whose sum is σ = 422021420223330. Its totient is φ = 422021420223328.

The previous prime is 422021420223187. The next prime is 422021420223409. The reversal of 422021420223329 is 923322024120224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382451998704400 + 39569421518929 = 19556380^2 + 6290423^2 .

It is a cyclic number.

It is not a de Polignac number, because 422021420223329 - 2⁴⁴ = 404429234178913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422021420223292 and 422021420223301.

It is not a weakly prime, because it can be changed into another prime (422021420273329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211010710111664 + 211010710111665.

It is an arithmetic number, because the mean of its divisors is an integer number (211010710111665).

Almost surely, 2^{422021420223329} is an apocalyptic number.

It is an amenable number.

422021420223329 is a deficient number, since it is larger than the sum of its proper divisors (1).

422021420223329 is an equidigital number, since it uses as much as digits as its factorization.

422021420223329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 422021420223329 in words is "four hundred twenty-two trillion, twenty-one billion, four hundred twenty million, two hundred twenty-three thousand, three hundred twenty-nine".