2272186 has 16 divisors (see below), whose sum is σ = 4124736. Its totient is φ = 916416.

The previous prime is 2272183. The next prime is 2272187. The reversal of 2272186 is 6812722.

It is not an unprimeable number, because it can be changed into a prime (2272183) 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, 4536 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

2^2272186 is an apocalyptic number.

2272186 is a deficient number, since it is larger than the sum of its proper divisors (1852550).

2272186 is a wasteful number, since it uses less digits than its factorization.

2272186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573.

The product of its digits is 2688, while the sum is 28.

The square root of 2272186 is about 1507.3771923444. The cubic root of 2272186 is about 131.4663563833.

The spelling of 2272186 in words is "two million, two hundred seventy-two thousand, one hundred eighty-six".