222044216 has 16 divisors (see below), whose sum is σ = 418449240. Its totient is φ = 110457760.

The previous prime is 222044171. The next prime is 222044219. The reversal of 222044216 is 612440222.

It is a junction number, because it is equal to n+sod(n) for n = 222044191 and 222044200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222044219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68870 + ... + 72021.

Almost surely, 2^222044216 is an apocalyptic number.

It is an amenable number.

222044216 is a deficient number, since it is larger than the sum of its proper divisors (196405024).

222044216 is a wasteful number, since it uses less digits than its factorization.

222044216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141094 (or 141090 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 222044216 is about 14901.1481436834. The cubic root of 222044216 is about 605.5450916889.

Adding to 222044216 its reverse (612440222), we get a palindrome (834484438).

The spelling of 222044216 in words is "two hundred twenty-two million, forty-four thousand, two hundred sixteen".