422417 has 4 divisors (see below), whose sum is σ = 423936. Its totient is φ = 420900.

The previous prime is 422407. The next prime is 422431. The reversal of 422417 is 714224.

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.

It is a cyclic number.

It is not a de Polignac number, because 422417 - 2⁶ = 422353 is a prime.

It is a super-2 number, since 2×422417² = 356872243778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (105984).

2⁴²²⁴¹⁷ is an apocalyptic number.

It is an amenable number.

422417 is a deficient number, since it is larger than the sum of its proper divisors (1519).

422417 is a wasteful number, since it uses less digits than its factorization.

422417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its digits is 448, while the sum is 20.

The square root of 422417 is about 649.9361507102. The cubic root of 422417 is about 75.0321047737.

The spelling of 422417 in words is "four hundred twenty-two thousand, four hundred seventeen", and thus it is an iban number.