4200222 has 16 divisors (see below), whose sum is σ = 9046800. Its totient is φ = 1292352.

The previous prime is 4200211. The next prime is 4200223. The reversal of 4200222 is 2220024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4200198 and 4200207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26847 + ... + 27002.

It is an arithmetic number, because the mean of its divisors is an integer number (565425).

Almost surely, 2^4200222 is an apocalyptic number.

4200222 is an abundant number, since it is smaller than the sum of its proper divisors (4846578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4200222 is a wasteful number, since it uses less digits than its factorization.

4200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53867.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 4200222 is about 2049.4443149303. Note that the first 3 decimals coincide. The cubic root of 4200222 is about 161.3457072600.

Adding to 4200222 its reverse (2220024), we get a palindrome (6420246).

It can be divided in two parts, 420022 and 2, that added together give a palindrome (420024).

The spelling of 4200222 in words is "four million, two hundred thousand, two hundred twenty-two".