2273811 has 4 divisors (see below), whose sum is σ = 3031752. Its totient is φ = 1515872.

The previous prime is 2273807. The next prime is 2273827. The reversal of 2273811 is 1183722.

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 2273811 - 2² = 2273807 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2273851) 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, 378966 + ... + 378971.

It is an arithmetic number, because the mean of its divisors is an integer number (757938).

2^2273811 is an apocalyptic number.

2273811 is a deficient number, since it is larger than the sum of its proper divisors (757941).

2273811 is an equidigital number, since it uses as much as digits as its factorization.

2273811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757940.

The product of its digits is 672, while the sum is 24.

The square root of 2273811 is about 1507.9161117251. The cubic root of 2273811 is about 131.4976891940.

The spelling of 2273811 in words is "two million, two hundred seventy-three thousand, eight hundred eleven".