422152271 has 2 divisors, whose sum is σ = 422152272. Its totient is φ = 422152270.

The previous prime is 422152253. The next prime is 422152319. The reversal of 422152271 is 172251224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422152271 - 2⁶ = 422152207 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422152271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422151271) 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, 211076135 + 211076136.

It is an arithmetic number, because the mean of its divisors is an integer number (211076136).

Almost surely, 2^422152271 is an apocalyptic number.

422152271 is a deficient number, since it is larger than the sum of its proper divisors (1).

422152271 is an equidigital number, since it uses as much as digits as its factorization.

422152271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 26.

The square root of 422152271 is about 20546.3444680556. The cubic root of 422152271 is about 750.1642727574.

The spelling of 422152271 in words is "four hundred twenty-two million, one hundred fifty-two thousand, two hundred seventy-one".