4223222 has 8 divisors (see below), whose sum is σ = 6424272. Its totient is φ = 2081800.

The previous prime is 4223207. The next prime is 4223231. The reversal of 4223222 is 2223224.

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

It is a super-2 number, since 2×4223222² = 35671208122568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4223222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14729 + ... + 15012.

It is an arithmetic number, because the mean of its divisors is an integer number (803034).

Almost surely, 2^4223222 is an apocalyptic number.

4223222 is a deficient number, since it is larger than the sum of its proper divisors (2201050).

4223222 is a wasteful number, since it uses less digits than its factorization.

4223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29814.

The product of its digits is 384, while the sum is 17.

The square root of 4223222 is about 2055.0479313145. The cubic root of 4223222 is about 161.6396757056.

Adding to 4223222 its reverse (2223224), we get a palindrome (6446446).

The spelling of 4223222 in words is "four million, two hundred twenty-three thousand, two hundred twenty-two".