424222 has 8 divisors (see below), whose sum is σ = 650016. Its totient is φ = 207552.

The previous prime is 424199. The next prime is 424223. The reversal of 424222 is 222424.

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

It is a junction number, because it is equal to n+sod(n) for n = 424196 and 424205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424223) 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, 2163 + ... + 2350.

It is an arithmetic number, because the mean of its divisors is an integer number (81252).

2⁴²⁴²²² is an apocalyptic number.

424222 is a deficient number, since it is larger than the sum of its proper divisors (225794).

424222 is a wasteful number, since it uses less digits than its factorization.

424222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562.

The product of its digits is 256, while the sum is 16.

The square root of 424222 is about 651.3232684313. The cubic root of 424222 is about 75.1388243602.

Adding to 424222 its reverse (222424), we get a palindrome (646646).

It can be divided in two parts, 42422 and 2, that added together give a palindrome (42424).

The spelling of 424222 in words is "four hundred twenty-four thousand, two hundred twenty-two", and thus it is an iban number.