2236866 has 16 divisors (see below), whose sum is σ = 4535904. Its totient is φ = 735264.

The previous prime is 2236831. The next prime is 2236873. The reversal of 2236866 is 6686322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (283494).

2^2236866 is an apocalyptic number.

2236866 is an abundant number, since it is smaller than the sum of its proper divisors (2299038).

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

2236866 is a wasteful number, since it uses less digits than its factorization.

2236866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185.

The product of its digits is 20736, while the sum is 33.

The square root of 2236866 is about 1495.6155923231. The cubic root of 2236866 is about 130.7816029639.

The spelling of 2236866 in words is "two million, two hundred thirty-six thousand, eight hundred sixty-six".