423222 has 8 divisors (see below), whose sum is σ = 846456. Its totient is φ = 141072.

The previous prime is 423221. The next prime is 423229. The reversal of 423222 is 222324.

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

423222 is an admirable number.

It is a super-2 number, since 2×423222² = 358233722568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423221) 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, 35263 + ... + 35274.

It is an arithmetic number, because the mean of its divisors is an integer number (105807).

2⁴²³²²² is an apocalyptic number.

423222 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.

423222 is a wasteful number, since it uses less digits than its factorization.

423222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70542.

The product of its digits is 192, while the sum is 15.

The square root of 423222 is about 650.5551475471. Note that the first 3 decimals coincide. The cubic root of 423222 is about 75.0797374181.

Adding to 423222 its reverse (222324), we get a palindrome (645546).

It can be divided in two parts, 42322 and 2, that added together give a palindrome (42324).

The spelling of 423222 in words is "four hundred twenty-three thousand, two hundred twenty-two", and thus it is an iban number.