222232232171 has 2 divisors, whose sum is σ = 222232232172. Its totient is φ = 222232232170.

The previous prime is 222232232119. The next prime is 222232232203. The reversal of 222232232171 is 171232232222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222232232171 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (222232232071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111116116085 + 111116116086.

It is an arithmetic number, because the mean of its divisors is an integer number (111116116086).

Almost surely, 2^222232232171 is an apocalyptic number.

222232232171 is a deficient number, since it is larger than the sum of its proper divisors (1).

222232232171 is an equidigital number, since it uses as much as digits as its factorization.

222232232171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

Adding to 222232232171 its reverse (171232232222), we get a palindrome (393464464393).

The spelling of 222232232171 in words is "two hundred twenty-two billion, two hundred thirty-two million, two hundred thirty-two thousand, one hundred seventy-one".