4143222 has 48 divisors (see below), whose sum is σ = 9451728. Its totient is φ = 1310400.

The previous prime is 4143221. The next prime is 4143229. The reversal of 4143222 is 2223414.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4143195 and 4143204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40972 + ... + 41072.

It is an arithmetic number, because the mean of its divisors is an integer number (196911).

Almost surely, 2^4143222 is an apocalyptic number.

4143222 is an abundant number, since it is smaller than the sum of its proper divisors (5308506).

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

4143222 is a wasteful number, since it uses less digits than its factorization.

4143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 4143222 is about 2035.4906042524. The cubic root of 4143222 is about 160.6125219051.

Adding to 4143222 its reverse (2223414), we get a palindrome (6366636).

The spelling of 4143222 in words is "four million, one hundred forty-three thousand, two hundred twenty-two".