2271804 has 36 divisors (see below), whose sum is σ = 5505192. Its totient is φ = 729120.

The previous prime is 2271799. The next prime is 2271817. The reversal of 2271804 is 4081722.

It is a super-2 number, since 2×2271804² = 10322186828832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11434 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (152922).

2^2271804 is an apocalyptic number.

It is an amenable number.

2271804 is an abundant number, since it is smaller than the sum of its proper divisors (3233388).

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

2271804 is a wasteful number, since it uses less digits than its factorization.

2271804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2271804 is about 1507.2504768618. The cubic root of 2271804 is about 131.4589885940.

The spelling of 2271804 in words is "two million, two hundred seventy-one thousand, eight hundred four".