422548 has 12 divisors (see below), whose sum is σ = 845152. Its totient is φ = 181080.

The previous prime is 422537. The next prime is 422549. The reversal of 422548 is 845224.

It is a happy number.

422548 is an admirable number.

It is a super-3 number, since 3×422548³ = 226333795336291776, which contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

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, 7518 + ... + 7573.

2⁴²²⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

422548 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.

422548 is a wasteful number, since it uses less digits than its factorization.

422548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15102 (or 15100 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 422548 is about 650.0369220283. The cubic root of 422548 is about 75.0398602932.

The spelling of 422548 in words is "four hundred twenty-two thousand, five hundred forty-eight".