422574 has 8 divisors (see below), whose sum is σ = 845160. Its totient is φ = 140856.

The previous prime is 422573. The next prime is 422581. The reversal of 422574 is 475224.

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

422574 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422574.

It is not an unprimeable number, because it can be changed into a prime (422573) by changing a digit.

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, 35209 + ... + 35220.

It is an arithmetic number, because the mean of its divisors is an integer number (105645).

2⁴²²⁵⁷⁴ is an apocalyptic number.

422574 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.

422574 is a wasteful number, since it uses less digits than its factorization.

422574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70434.

The product of its digits is 2240, while the sum is 24.

The square root of 422574 is about 650.0569205847. The cubic root of 422574 is about 75.0413993659.

Adding to 422574 its reverse (475224), we get a palindrome (897798).

Subtracting 422574 from its reverse (475224), we obtain a triangular number (52650 = T₃₂₄).

It can be divided in two parts, 4 and 22574, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 422574 in words is "four hundred twenty-two thousand, five hundred seventy-four".