222405633 has 12 divisors (see below), whose sum is σ = 326698320. Its totient is φ = 145757016.

The previous prime is 222405613. The next prime is 222405647. The reversal of 222405633 is 336504222.

222405633 is a `hidden beast` number, since 2 + 2 + 24 + 0 + 5 + 633 = 666.

It is not a de Polignac number, because 222405633 - 2⁹ = 222405121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222405597 and 222405606.

It is not an unprimeable number, because it can be changed into a prime (222405613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208891 + ... + 209952.

It is an arithmetic number, because the mean of its divisors is an integer number (27224860).

Almost surely, 2^222405633 is an apocalyptic number.

It is an amenable number.

222405633 is a deficient number, since it is larger than the sum of its proper divisors (104292687).

222405633 is a wasteful number, since it uses less digits than its factorization.

222405633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418908 (or 418905 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 222405633 is about 14913.2703656844. The cubic root of 222405633 is about 605.8734582037.

Adding to 222405633 its reverse (336504222), we get a palindrome (558909855).

The spelling of 222405633 in words is "two hundred twenty-two million, four hundred five thousand, six hundred thirty-three".