422546 has 8 divisors (see below), whose sum is σ = 649404. Its totient is φ = 206080.

The previous prime is 422537. The next prime is 422549. The reversal of 422546 is 645224.

It can be written as a sum of positive squares in 2 ways, for example, as 403225 + 19321 = 635^2 + 139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (422549) 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, 2495 + ... + 2658.

2⁴²²⁵⁴⁶ is an apocalyptic number.

422546 is a deficient number, since it is larger than the sum of its proper divisors (226858).

422546 is a wasteful number, since it uses less digits than its factorization.

422546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196.

The product of its digits is 1920, while the sum is 23.

The square root of 422546 is about 650.0353836523. The cubic root of 422546 is about 75.0397419003.

The spelling of 422546 in words is "four hundred twenty-two thousand, five hundred forty-six".