222671594161 has 2 divisors, whose sum is σ = 222671594162. Its totient is φ = 222671594160.

The previous prime is 222671594107. The next prime is 222671594231. The reversal of 222671594161 is 161495176222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192123545761 + 30548048400 = 438319^2 + 174780^2 .

It is a cyclic number.

It is not a de Polignac number, because 222671594161 - 2¹⁵ = 222671561393 is a prime.

It is not a weakly prime, because it can be changed into another prime (222671594461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111335797080 + 111335797081.

It is an arithmetic number, because the mean of its divisors is an integer number (111335797081).

Almost surely, 2^222671594161 is an apocalyptic number.

It is an amenable number.

222671594161 is a deficient number, since it is larger than the sum of its proper divisors (1).

222671594161 is an equidigital number, since it uses as much as digits as its factorization.

222671594161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The spelling of 222671594161 in words is "two hundred twenty-two billion, six hundred seventy-one million, five hundred ninety-four thousand, one hundred sixty-one".