2273783 has 2 divisors, whose sum is σ = 2273784. Its totient is φ = 2273782.

The previous prime is 2273771. The next prime is 2273807. The reversal of 2273783 is 3873722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2273783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2273743) 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, 1136891 + 1136892.

It is an arithmetic number, because the mean of its divisors is an integer number (1136892).

2^2273783 is an apocalyptic number.

2273783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273783 is an equidigital number, since it uses as much as digits as its factorization.

2273783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 2273783 is about 1507.9068273604. The cubic root of 2273783 is about 131.4971494320.

The spelling of 2273783 in words is "two million, two hundred seventy-three thousand, seven hundred eighty-three".