2243777 has 2 divisors, whose sum is σ = 2243778. Its totient is φ = 2243776.

The previous prime is 2243771. The next prime is 2243789. The reversal of 2243777 is 7773422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 173056 = 1439^2 + 416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121888 + 1121889.

It is an arithmetic number, because the mean of its divisors is an integer number (1121889).

2^2243777 is an apocalyptic number.

It is an amenable number.

2243777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243777 is an equidigital number, since it uses as much as digits as its factorization.

2243777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 32.

The square root of 2243777 is about 1497.9242303935. The cubic root of 2243777 is about 130.9161516926.

The spelling of 2243777 in words is "two million, two hundred forty-three thousand, seven hundred seventy-seven".