2273003 has 4 divisors (see below), whose sum is σ = 2288208. Its totient is φ = 2257800.

The previous prime is 2272997. The next prime is 2273017. The reversal of 2273003 is 3003722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2273003 - 2⁴ = 2272987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2273083) 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 in 3 ways as a sum of consecutive naturals, for example, 7376 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (572052).

2^2273003 is an apocalyptic number.

2273003 is a deficient number, since it is larger than the sum of its proper divisors (15205).

2273003 is a wasteful number, since it uses less digits than its factorization.

2273003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15204.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 2273003 is about 1507.6481685062. The cubic root of 2273003 is about 131.4821114230.

Adding to 2273003 its reverse (3003722), we get a palindrome (5276725).

The spelling of 2273003 in words is "two million, two hundred seventy-three thousand, three".