4231222 has 8 divisors (see below), whose sum is σ = 6482016. Its totient is φ = 2070552.

The previous prime is 4231219. The next prime is 4231229. The reversal of 4231222 is 2221324.

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

It is a super-2 number, since 2×4231222² = 35806479226568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4231196 and 4231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231229) 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, 22413 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (810252).

Almost surely, 2^4231222 is an apocalyptic number.

4231222 is a deficient number, since it is larger than the sum of its proper divisors (2250794).

4231222 is a wasteful number, since it uses less digits than its factorization.

4231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45062.

The product of its digits is 192, while the sum is 16.

The square root of 4231222 is about 2056.9934370338. The cubic root of 4231222 is about 161.7416753756.

Adding to 4231222 its reverse (2221324), we get a palindrome (6452546).

The spelling of 4231222 in words is "four million, two hundred thirty-one thousand, two hundred twenty-two".