422559271 has 2 divisors, whose sum is σ = 422559272. Its totient is φ = 422559270.

The previous prime is 422559227. The next prime is 422559283. The reversal of 422559271 is 172955224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422559271 - 2¹³ = 422551079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422559271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422551271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211279635 + 211279636.

It is an arithmetic number, because the mean of its divisors is an integer number (211279636).

Almost surely, 2^422559271 is an apocalyptic number.

422559271 is a deficient number, since it is larger than the sum of its proper divisors (1).

422559271 is an equidigital number, since it uses as much as digits as its factorization.

422559271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 422559271 is about 20556.2465202186. The cubic root of 422559271 is about 750.4052748895.

The spelling of 422559271 in words is "four hundred twenty-two million, five hundred fifty-nine thousand, two hundred seventy-one".