426224 has 20 divisors (see below), whose sum is σ = 874944. Its totient is φ = 200448.

The previous prime is 426211. The next prime is 426229. The reversal of 426224 is 422624.

It is a d-powerful number, because it can be written as 4² + 2³ + 2¹⁵ + 6³ + 2¹⁷ + 4⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 426196 and 426205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512 + ... + 1055.

2⁴²⁶²²⁴ is an apocalyptic number.

It is an amenable number.

426224 is an abundant number, since it is smaller than the sum of its proper divisors (448720).

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

426224 is a wasteful number, since it uses less digits than its factorization.

426224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1586 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 426224 is about 652.8583307273. The cubic root of 426224 is about 75.2568379713.

Adding to 426224 its reverse (422624), we get a palindrome (848848).

Subtracting from 426224 its reverse (422624), we obtain a square (3600 = 60²).

The spelling of 426224 in words is "four hundred twenty-six thousand, two hundred twenty-four".