2242186 has 4 divisors (see below), whose sum is σ = 3363282. Its totient is φ = 1121092.

The previous prime is 2242169. The next prime is 2242187. The reversal of 2242186 is 6812422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1252161 + 990025 = 1119^2 + 995^2 .

It is a super-3 number, since 3×2242186³ = 33817084630233392568, which contains 333 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2242186.

It is not an unprimeable number, because it can be changed into a prime (2242187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560545 + ... + 560548.

2^2242186 is an apocalyptic number.

2242186 is a deficient number, since it is larger than the sum of its proper divisors (1121096).

2242186 is a wasteful number, since it uses less digits than its factorization.

2242186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121095.

The product of its digits is 1536, while the sum is 25.

The square root of 2242186 is about 1497.3930679685. The cubic root of 2242186 is about 130.8852013728.

The spelling of 2242186 in words is "two million, two hundred forty-two thousand, one hundred eighty-six".