422197 has 4 divisors (see below), whose sum is σ = 426400. Its totient is φ = 417996.

The previous prime is 422183. The next prime is 422203. The reversal of 422197 is 791224.

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 422197 - 2⁷ = 422069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422137) 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, 1947 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (106600).

2⁴²²¹⁹⁷ is an apocalyptic number.

It is an amenable number.

422197 is a deficient number, since it is larger than the sum of its proper divisors (4203).

422197 is a wasteful number, since it uses less digits than its factorization.

422197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202.

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

The square root of 422197 is about 649.7668812736. The cubic root of 422197 is about 75.0190766288.

It can be divided in two parts, 4 and 22197, that multiplied together give a palindrome (88788).

The spelling of 422197 in words is "four hundred twenty-two thousand, one hundred ninety-seven".