2206856 has 16 divisors (see below), whose sum is σ = 4155840. Its totient is φ = 1098640.

The previous prime is 2206843. The next prime is 2206861. The reversal of 2206856 is 6586022.

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, 2045 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (259740).

2^2206856 is an apocalyptic number.

It is an amenable number.

2206856 is a deficient number, since it is larger than the sum of its proper divisors (1948984).

2206856 is a wasteful number, since it uses less digits than its factorization.

2206856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2206856 is about 1485.5490567464. The cubic root of 2206856 is about 130.1941084464.

The spelling of 2206856 in words is "two million, two hundred six thousand, eight hundred fifty-six".