222013230161 has 2 divisors, whose sum is σ = 222013230162. Its totient is φ = 222013230160.

The previous prime is 222013230121. The next prime is 222013230221. The reversal of 222013230161 is 161032310222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172593717136 + 49419513025 = 415444^2 + 222305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222013230161 is a prime.

It is not a weakly prime, because it can be changed into another prime (222013230121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111006615080 + 111006615081.

It is an arithmetic number, because the mean of its divisors is an integer number (111006615081).

Almost surely, 2^222013230161 is an apocalyptic number.

It is an amenable number.

222013230161 is a deficient number, since it is larger than the sum of its proper divisors (1).

222013230161 is an equidigital number, since it uses as much as digits as its factorization.

222013230161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 222013230161 its reverse (161032310222), we get a palindrome (383045540383).

The spelling of 222013230161 in words is "two hundred twenty-two billion, thirteen million, two hundred thirty thousand, one hundred sixty-one".