222222004224 has 208 divisors, whose sum is σ = 647516242560. Its totient is φ = 67222241280.

The previous prime is 222222004223. The next prime is 222222004271. The reversal of 222222004224 is 422400222222.

It is a super-2 number, since 2×222222004224² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 222222004194 and 222222004203.

It is not an unprimeable number, because it can be changed into a prime (222222004223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106376172 + ... + 106378260.

Almost surely, 2^222222004224 is an apocalyptic number.

222222004224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222222004224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323758121280).

222222004224 is an abundant number, since it is smaller than the sum of its proper divisors (425294238336).

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

222222004224 is a wasteful number, since it uses less digits than its factorization.

222222004224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 222222004224 its reverse (422400222222), we get a palindrome (644622226446).

The spelling of 222222004224 in words is "two hundred twenty-two billion, two hundred twenty-two million, four thousand, two hundred twenty-four".