2205670 has 16 divisors (see below), whose sum is σ = 3987648. Its totient is φ = 878400.

The previous prime is 2205667. The next prime is 2205703. The reversal of 2205670 is 765022.

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, 3370 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (249228).

2^2205670 is an apocalyptic number.

2205670 is a deficient number, since it is larger than the sum of its proper divisors (1781978).

2205670 is a wasteful number, since it uses less digits than its factorization.

2205670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2205670 is about 1485.1498240918. The cubic root of 2205670 is about 130.1707814627.

The spelling of 2205670 in words is "two million, two hundred five thousand, six hundred seventy".