2249186 has 4 divisors (see below), whose sum is σ = 3373782. Its totient is φ = 1124592.

The previous prime is 2249183. The next prime is 2249189. The reversal of 2249186 is 6819422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6819422 = 2 ⋅3409711.

It is an interprime number because it is at equal distance from previous prime (2249183) and next prime (2249189).

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 14161 = 1495^2 + 119^2 .

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 4⁸ + 9⁴ + 1 + 8³ + 6⁶ .

It is not an unprimeable number, because it can be changed into a prime (2249183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562295 + ... + 562298.

2^2249186 is an apocalyptic number.

2249186 is a deficient number, since it is larger than the sum of its proper divisors (1124596).

2249186 is a wasteful number, since it uses less digits than its factorization.

2249186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124595.

The product of its digits is 6912, while the sum is 32.

The square root of 2249186 is about 1499.7286421216. The cubic root of 2249186 is about 131.0212657045.

The spelling of 2249186 in words is "two million, two hundred forty-nine thousand, one hundred eighty-six".