422555071 has 2 divisors, whose sum is σ = 422555072. Its totient is φ = 422555070.

The previous prime is 422555069. The next prime is 422555087. The reversal of 422555071 is 170555224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422555071 - 2¹ = 422555069 is a prime.

Together with 422555069, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422555671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211277535 + 211277536.

It is an arithmetic number, because the mean of its divisors is an integer number (211277536).

Almost surely, 2^422555071 is an apocalyptic number.

422555071 is a deficient number, since it is larger than the sum of its proper divisors (1).

422555071 is an equidigital number, since it uses as much as digits as its factorization.

422555071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 422555071 is about 20556.1443612366. The cubic root of 422555071 is about 750.4027886800.

The spelling of 422555071 in words is "four hundred twenty-two million, five hundred fifty-five thousand, seventy-one".