222321204244 has 12 divisors (see below), whose sum is σ = 389065438944. Its totient is φ = 111159650264.

The previous prime is 222321204241. The next prime is 222321204263. The reversal of 222321204244 is 442402123222.

It is a happy number.

It is a super-2 number, since 2×222321204244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321204241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687267 + ... + 957589.

It is an arithmetic number, because the mean of its divisors is an integer number (32422119912).

Almost surely, 2^222321204244 is an apocalyptic number.

It is an amenable number.

222321204244 is a deficient number, since it is larger than the sum of its proper divisors (166744234700).

222321204244 is a wasteful number, since it uses less digits than its factorization.

222321204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475934 (or 475932 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 222321204244 its reverse (442402123222), we get a palindrome (664723327466).

The spelling of 222321204244 in words is "two hundred twenty-two billion, three hundred twenty-one million, two hundred four thousand, two hundred forty-four".