2227805 has 8 divisors (see below), whose sum is σ = 2688000. Its totient is φ = 1772496.

The previous prime is 2227801. The next prime is 2227831. The reversal of 2227805 is 5087222.

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

It is a cyclic number.

It is not a de Polignac number, because 2227805 - 2² = 2227801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (336000).

2^2227805 is an apocalyptic number.

It is an amenable number.

2227805 is a deficient number, since it is larger than the sum of its proper divisors (460195).

2227805 is a wasteful number, since it uses less digits than its factorization.

2227805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2227805 is about 1492.5833310070. The cubic root of 2227805 is about 130.6047758346.

The spelling of 2227805 in words is "two million, two hundred twenty-seven thousand, eight hundred five".