2271373 has 4 divisors (see below), whose sum is σ = 2446108. Its totient is φ = 2096640.

The previous prime is 2271349. The next prime is 2271377. The reversal of 2271373 is 3731722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 316969 + 1954404 = 563^2 + 1398^2 .

It is not a de Polignac number, because 2271373 - 2⁵ = 2271341 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 (2271377) 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, 87348 + ... + 87373.

It is an arithmetic number, because the mean of its divisors is an integer number (611527).

2^2271373 is an apocalyptic number.

It is an amenable number.

2271373 is a deficient number, since it is larger than the sum of its proper divisors (174735).

2271373 is a wasteful number, since it uses less digits than its factorization.

2271373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174734.

The product of its digits is 1764, while the sum is 25.

The square root of 2271373 is about 1507.1074945073. The cubic root of 2271373 is about 131.4506747302.

It can be divided in two parts, 227 and 1373, that added together give a square (1600 = 40²).

The spelling of 2271373 in words is "two million, two hundred seventy-one thousand, three hundred seventy-three".