222444244 has 12 divisors (see below), whose sum is σ = 424666368. Its totient is φ = 101111000.

The previous prime is 222444241. The next prime is 222444253. The reversal of 222444244 is 442444222.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527732 + ... + 2527819.

It is an arithmetic number, because the mean of its divisors is an integer number (35388864).

Almost surely, 2^222444244 is an apocalyptic number.

It is an amenable number.

222444244 is a deficient number, since it is larger than the sum of its proper divisors (202222124).

222444244 is a wasteful number, since it uses less digits than its factorization.

222444244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055566 (or 5055564 counting only the distinct ones).

The product of its digits is 16384, while the sum is 28.

The square root of 222444244 is about 14914.5648277112. The cubic root of 222444244 is about 605.9085173075.

Adding to 222444244 its reverse (442444222), we get a palindrome (664888466).

The spelling of 222444244 in words is "two hundred twenty-two million, four hundred forty-four thousand, two hundred forty-four".