2277120869 has 2 divisors, whose sum is σ = 2277120870. Its totient is φ = 2277120868.

The previous prime is 2277120827. The next prime is 2277120889. The reversal of 2277120869 is 9680217722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1173884644 + 1103236225 = 34262^2 + 33215^2 .

It is a cyclic number.

It is not a de Polignac number, because 2277120869 - 2¹² = 2277116773 is a prime.

It is a super-2 number, since 2×2277120869² = 10370558904070630322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2277120889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138560434 + 1138560435.

It is an arithmetic number, because the mean of its divisors is an integer number (1138560435).

Almost surely, 2^2277120869 is an apocalyptic number.

It is an amenable number.

2277120869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2277120869 is an equidigital number, since it uses as much as digits as its factorization.

2277120869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 2277120869 is about 47719.1876397744. The cubic root of 2277120869 is about 1315.6146305353.

The spelling of 2277120869 in words is "two billion, two hundred seventy-seven million, one hundred twenty thousand, eight hundred sixty-nine".