222683632861 has 2 divisors, whose sum is σ = 222683632862. Its totient is φ = 222683632860.

The previous prime is 222683632793. The next prime is 222683632867. The reversal of 222683632861 is 168236386222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211531005625 + 11152627236 = 459925^2 + 105606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222683632861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222683632867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111341816430 + 111341816431.

It is an arithmetic number, because the mean of its divisors is an integer number (111341816431).

Almost surely, 2^222683632861 is an apocalyptic number.

It is an amenable number.

222683632861 is a deficient number, since it is larger than the sum of its proper divisors (1).

222683632861 is an equidigital number, since it uses as much as digits as its factorization.

222683632861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 49.

The spelling of 222683632861 in words is "two hundred twenty-two billion, six hundred eighty-three million, six hundred thirty-two thousand, eight hundred sixty-one".