2271306 has 8 divisors (see below), whose sum is σ = 4542624. Its totient is φ = 757100.

The previous prime is 2271301. The next prime is 2271307. The reversal of 2271306 is 6031722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2271306 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2271301) 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, 189270 + ... + 189281.

It is an arithmetic number, because the mean of its divisors is an integer number (567828).

2^2271306 is an apocalyptic number.

2271306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2271306 is a wasteful number, since it uses less digits than its factorization.

2271306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378556.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2271306 is about 1507.0852663337. The cubic root of 2271306 is about 131.4493822253.

The spelling of 2271306 in words is "two million, two hundred seventy-one thousand, three hundred six".