422917 has 4 divisors (see below), whose sum is σ = 461376. Its totient is φ = 384460.

The previous prime is 422911. The next prime is 422923. The reversal of 422917 is 719224.

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 an interprime number because it is at equal distance from previous prime (422911) and next prime (422923).

It is a cyclic number.

It is not a de Polignac number, because 422917 - 2⁷ = 422789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422891 and 422900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422911) 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, 19213 + ... + 19234.

It is an arithmetic number, because the mean of its divisors is an integer number (115344).

2⁴²²⁹¹⁷ is an apocalyptic number.

It is an amenable number.

422917 is a deficient number, since it is larger than the sum of its proper divisors (38459).

422917 is a wasteful number, since it uses less digits than its factorization.

422917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38458.

The product of its digits is 1008, while the sum is 25.

The square root of 422917 is about 650.3206901214. The cubic root of 422917 is about 75.0616973800.

The spelling of 422917 in words is "four hundred twenty-two thousand, nine hundred seventeen".