422634 has 8 divisors (see below), whose sum is σ = 845280. Its totient is φ = 140876.

The previous prime is 422627. The next prime is 422657. The reversal of 422634 is 436224.

It is a sphenic number, since it is the product of 3 distinct primes.

422634 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 422634.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35214 + ... + 35225.

It is an arithmetic number, because the mean of its divisors is an integer number (105660).

2⁴²²⁶³⁴ is an apocalyptic number.

422634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422634 is a wasteful number, since it uses less digits than its factorization.

422634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70444.

The product of its digits is 1152, while the sum is 21.

The square root of 422634 is about 650.1030687514. The cubic root of 422634 is about 75.0449508314.

Adding to 422634 its reverse (436224), we get a palindrome (858858).

The spelling of 422634 in words is "four hundred twenty-two thousand, six hundred thirty-four".