2297777 has 2 divisors, whose sum is σ = 2297778. Its totient is φ = 2297776.

The previous prime is 2297761. The next prime is 2297797. The reversal of 2297777 is 7777922.

2297777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2217121 + 80656 = 1489^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297777 - 2⁴ = 2297761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2297707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148888 + 1148889.

It is an arithmetic number, because the mean of its divisors is an integer number (1148889).

2^2297777 is an apocalyptic number.

It is an amenable number.

2297777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297777 is an equidigital number, since it uses as much as digits as its factorization.

2297777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86436, while the sum is 41.

The square root of 2297777 is about 1515.8420102372. The cubic root of 2297777 is about 131.9580713173.

The spelling of 2297777 in words is "two million, two hundred ninety-seven thousand, seven hundred seventy-seven".