2271286 has 4 divisors (see below), whose sum is σ = 3406932. Its totient is φ = 1135642.

The previous prime is 2271281. The next prime is 2271287. The reversal of 2271286 is 6821722.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567820 + ... + 567823.

It is an arithmetic number, because the mean of its divisors is an integer number (851733).

2^2271286 is an apocalyptic number.

2271286 is a deficient number, since it is larger than the sum of its proper divisors (1135646).

2271286 is a wasteful number, since it uses less digits than its factorization.

2271286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135645.

The product of its digits is 2688, while the sum is 28.

The square root of 2271286 is about 1507.0786309944. The cubic root of 2271286 is about 131.4489963981.

The spelling of 2271286 in words is "two million, two hundred seventy-one thousand, two hundred eighty-six".