2271128 has 16 divisors (see below), whose sum is σ = 4276680. Its totient is φ = 1130688.

The previous prime is 2271119. The next prime is 2271133. The reversal of 2271128 is 8211722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051 + ... + 2957.

2^2271128 is an apocalyptic number.

It is an amenable number.

2271128 is a deficient number, since it is larger than the sum of its proper divisors (2005552).

2271128 is a wasteful number, since it uses less digits than its factorization.

2271128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1222 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 2271128 is about 1507.0262107873. The cubic root of 2271128 is about 131.4459482830.

The spelling of 2271128 in words is "two million, two hundred seventy-one thousand, one hundred twenty-eight".