2221229105177 has 2 divisors, whose sum is σ = 2221229105178. Its totient is φ = 2221229105176.

The previous prime is 2221229105167. The next prime is 2221229105203. The reversal of 2221229105177 is 7715019221222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1622912932096 + 598316173081 = 1273936^2 + 773509^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221229105177 - 2¹⁰ = 2221229104153 is a prime.

It is a super-2 number, since 2×2221229105177² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2221229105167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110614552588 + 1110614552589.

It is an arithmetic number, because the mean of its divisors is an integer number (1110614552589).

Almost surely, 2^{2221229105177} is an apocalyptic number.

It is an amenable number.

2221229105177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221229105177 is an equidigital number, since it uses as much as digits as its factorization.

2221229105177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 2221229105177 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-nine million, one hundred five thousand, one hundred seventy-seven".