2216886 has 16 divisors (see below), whose sum is σ = 5067264. Its totient is φ = 633384.

The previous prime is 2216873. The next prime is 2216887. The reversal of 2216886 is 6886122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216887) 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, 26350 + ... + 26433.

It is an arithmetic number, because the mean of its divisors is an integer number (316704).

2^2216886 is an apocalyptic number.

2216886 is an abundant number, since it is smaller than the sum of its proper divisors (2850378).

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

2216886 is a wasteful number, since it uses less digits than its factorization.

2216886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52795.

The product of its digits is 9216, while the sum is 33.

The square root of 2216886 is about 1488.9210858874. The cubic root of 2216886 is about 130.3910513010.

The spelling of 2216886 in words is "two million, two hundred sixteen thousand, eight hundred eighty-six".