422017 has 4 divisors (see below), whose sum is σ = 423360. Its totient is φ = 420676.

The previous prime is 421997. The next prime is 422029. The reversal of 422017 is 710224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422017 is a prime.

It is a Duffinian number.

422017 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (422057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2⁴²²⁰¹⁷ is an apocalyptic number.

It is an amenable number.

422017 is a deficient number, since it is larger than the sum of its proper divisors (1343).

422017 is an equidigital number, since it uses as much as digits as its factorization.

422017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 422017 is about 649.6283552925. The cubic root of 422017 is about 75.0084138709.

The spelling of 422017 in words is "four hundred twenty-two thousand, seventeen", and thus it is an iban number.