222561303606 has 12 divisors (see below), whose sum is σ = 482216157852. Its totient is φ = 74187101196.

The previous prime is 222561303541. The next prime is 222561303607. The reversal of 222561303606 is 606303165222.

222561303606 is a `hidden beast` number, since 2 + 2 + 2 + 5 + 613 + 0 + 36 + 0 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222561303607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6182258416 + ... + 6182258451.

It is an arithmetic number, because the mean of its divisors is an integer number (40184679821).

Almost surely, 2^222561303606 is an apocalyptic number.

222561303606 is an abundant number, since it is smaller than the sum of its proper divisors (259654854246).

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

222561303606 is a wasteful number, since it uses less digits than its factorization.

222561303606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364516875 (or 12364516872 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 222561303606 its reverse (606303165222), we get a palindrome (828864468828).

The spelling of 222561303606 in words is "two hundred twenty-two billion, five hundred sixty-one million, three hundred three thousand, six hundred six".