222641040146177 has 2 divisors, whose sum is σ = 222641040146178. Its totient is φ = 222641040146176.

The previous prime is 222641040146153. The next prime is 222641040146233. The reversal of 222641040146177 is 771641040146222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189955624788721 + 32685415357456 = 13782439^2 + 5717116^2 .

It is a cyclic number.

It is not a de Polignac number, because 222641040146177 - 2¹⁴ = 222641040129793 is a prime.

It is not a weakly prime, because it can be changed into another prime (222641040146377) 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, 111320520073088 + 111320520073089.

It is an arithmetic number, because the mean of its divisors is an integer number (111320520073089).

Almost surely, 2^{222641040146177} is an apocalyptic number.

It is an amenable number.

222641040146177 is a deficient number, since it is larger than the sum of its proper divisors (1).

222641040146177 is an equidigital number, since it uses as much as digits as its factorization.

222641040146177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 222641040146177 in words is "two hundred twenty-two trillion, six hundred forty-one billion, forty million, one hundred forty-six thousand, one hundred seventy-seven".