422497 has 4 divisors (see below), whose sum is σ = 423940. Its totient is φ = 421056.

The previous prime is 422479. The next prime is 422537. The reversal of 422497 is 794224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 24336 = 631^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 422497 - 2⁷ = 422369 is a prime.

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, 108 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (105985).

2⁴²²⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

422497 is a deficient number, since it is larger than the sum of its proper divisors (1443).

422497 is a wasteful number, since it uses less digits than its factorization.

422497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its digits is 4032, while the sum is 28.

The square root of 422497 is about 649.9976923036. The cubic root of 422497 is about 75.0368411593.

It can be divided in two parts, 422 and 497, that added together give a palindrome (919).

The spelling of 422497 in words is "four hundred twenty-two thousand, four hundred ninety-seven".