4042222 has 8 divisors (see below), whose sum is σ = 6123672. Its totient is φ = 2001000.

The previous prime is 4042217. The next prime is 4042249. The reversal of 4042222 is 2222404.

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

4042222 is a modest number, since divided by 2222 gives 404 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4042196 and 4042205.

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, 9804 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (765459).

Almost surely, 2^4042222 is an apocalyptic number.

4042222 is a deficient number, since it is larger than the sum of its proper divisors (2081450).

4042222 is a wasteful number, since it uses less digits than its factorization.

4042222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20114.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4042222 is about 2010.5277914020. The cubic root of 4042222 is about 159.2966785231.

Adding to 4042222 its reverse (2222404), we get a palindrome (6264626).

The spelling of 4042222 in words is "four million, forty-two thousand, two hundred twenty-two".