2277973 has 4 divisors (see below), whose sum is σ = 2351488. Its totient is φ = 2204460.

The previous prime is 2277941. The next prime is 2278007. The reversal of 2277973 is 3797722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3797722 = 2 ⋅1898861.

It is a cyclic number.

It is not a de Polignac number, because 2277973 - 2⁵ = 2277941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36711 + ... + 36772.

It is an arithmetic number, because the mean of its divisors is an integer number (587872).

2^2277973 is an apocalyptic number.

It is an amenable number.

2277973 is a deficient number, since it is larger than the sum of its proper divisors (73515).

2277973 is an equidigital number, since it uses as much as digits as its factorization.

2277973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73514.

The product of its digits is 37044, while the sum is 37.

The square root of 2277973 is about 1509.2955310343. The cubic root of 2277973 is about 131.5778717302.

The spelling of 2277973 in words is "two million, two hundred seventy-seven thousand, nine hundred seventy-three".