2277774091 has 2 divisors, whose sum is σ = 2277774092. Its totient is φ = 2277774090.

The previous prime is 2277774049. The next prime is 2277774097. The reversal of 2277774091 is 1904777722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2277774091 - 2¹³ = 2277765899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2277774097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138887045 + 1138887046.

It is an arithmetic number, because the mean of its divisors is an integer number (1138887046).

Almost surely, 2^2277774091 is an apocalyptic number.

2277774091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2277774091 is an equidigital number, since it uses as much as digits as its factorization.

2277774091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345744, while the sum is 46.

The square root of 2277774091 is about 47726.0315865461. The cubic root of 2277774091 is about 1315.7404189479.

The spelling of 2277774091 in words is "two billion, two hundred seventy-seven million, seven hundred seventy-four thousand, ninety-one".