424822 has 4 divisors (see below), whose sum is σ = 637236. Its totient is φ = 212410.

The previous prime is 424819. The next prime is 424829. The reversal of 424822 is 228424.

424822 is nontrivially palindromic in base 16.

424822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 424793 and 424802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106204 + ... + 106207.

It is an arithmetic number, because the mean of its divisors is an integer number (159309).

2⁴²⁴⁸²² is an apocalyptic number.

424822 is a deficient number, since it is larger than the sum of its proper divisors (212414).

424822 is a wasteful number, since it uses less digits than its factorization.

424822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212413.

The product of its digits is 1024, while the sum is 22.

The square root of 424822 is about 651.7837064548. The cubic root of 424822 is about 75.1742319666.

The spelling of 424822 in words is "four hundred twenty-four thousand, eight hundred twenty-two".