422450 has 48 divisors (see below), whose sum is σ = 964224. Its totient is φ = 134400.

The previous prime is 422431. The next prime is 422453. The reversal of 422450 is 54224.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5915 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2⁴²²⁴⁵⁰ is an apocalyptic number.

422450 is an abundant number, since it is smaller than the sum of its proper divisors (541774).

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

422450 is a wasteful number, since it uses less digits than its factorization.

422450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 422450 is about 649.9615373236. The cubic root of 422450 is about 75.0340586052.

Adding to 422450 its reverse (54224), we get a palindrome (476674).

The spelling of 422450 in words is "four hundred twenty-two thousand, four hundred fifty".