2271844 has 6 divisors (see below), whose sum is σ = 3975734. Its totient is φ = 1135920.

The previous prime is 2271827. The next prime is 2271859. The reversal of 2271844 is 4481722.

It can be written as a sum of positive squares in only one way, i.e., 1350244 + 921600 = 1162^2 + 960^2 .

It is a super-2 number, since 2×2271844² = 10322550320672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283977 + ... + 283984.

2^2271844 is an apocalyptic number.

It is an amenable number.

2271844 is a deficient number, since it is larger than the sum of its proper divisors (1703890).

2271844 is a wasteful number, since it uses less digits than its factorization.

2271844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567965 (or 567963 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 2271844 is about 1507.2637459980. The cubic root of 2271844 is about 131.4597601290.

The spelling of 2271844 in words is "two million, two hundred seventy-one thousand, eight hundred forty-four".