2278773 has 20 divisors (see below), whose sum is σ = 3891360. Its totient is φ = 1301832.

The previous prime is 2278769. The next prime is 2278807. The reversal of 2278773 is 3778722.

2278773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2278773 - 2² = 2278769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278753) 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 in 19 ways as a sum of consecutive naturals, for example, 1443 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (194568).

2^2278773 is an apocalyptic number.

It is an amenable number.

2278773 is a deficient number, since it is larger than the sum of its proper divisors (1612587).

2278773 is an equidigital number, since it uses as much as digits as its factorization.

2278773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038 (or 4029 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 2278773 is about 1509.5605320755. The cubic root of 2278773 is about 131.5932728459.

The spelling of 2278773 in words is "two million, two hundred seventy-eight thousand, seven hundred seventy-three".