2221186 has 16 divisors (see below), whose sum is σ = 3849120. Its totient is φ = 950080.

The previous prime is 2221183. The next prime is 2221187. The reversal of 2221186 is 6811222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2221183) 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, 2596 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (240570).

2^2221186 is an apocalyptic number.

2221186 is a deficient number, since it is larger than the sum of its proper divisors (1627934).

2221186 is a wasteful number, since it uses less digits than its factorization.

2221186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969.

The product of its digits is 384, while the sum is 22.

The square root of 2221186 is about 1490.3643849744. The cubic root of 2221186 is about 130.4753015212.

The spelling of 2221186 in words is "two million, two hundred twenty-one thousand, one hundred eighty-six".