2271604 has 24 divisors (see below), whose sum is σ = 4169088. Its totient is φ = 1081920.

The previous prime is 2271593. The next prime is 2271613. The reversal of 2271604 is 4061722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7944 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (173712).

2^2271604 is an apocalyptic number.

It is an amenable number.

2271604 is a deficient number, since it is larger than the sum of its proper divisors (1897484).

2271604 is a wasteful number, since it uses less digits than its factorization.

2271604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2271604 is about 1507.1841294281. The cubic root of 2271604 is about 131.4551307833.

The spelling of 2271604 in words is "two million, two hundred seventy-one thousand, six hundred four".