2244866 has 8 divisors (see below), whose sum is σ = 3626364. Its totient is φ = 1036080.

The previous prime is 2244863. The next prime is 2244881. The reversal of 2244866 is 6684422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2019241 + 225625 = 1421^2 + 475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁷ + 4 + 4⁷ + 8⁷ + 6 + 6³ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2244863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43145 + ... + 43196.

2^2244866 is an apocalyptic number.

2244866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2244866 is a deficient number, since it is larger than the sum of its proper divisors (1381498).

2244866 is a wasteful number, since it uses less digits than its factorization.

2244866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86356.

The product of its digits is 18432, while the sum is 32.

The square root of 2244866 is about 1498.2876893307. The cubic root of 2244866 is about 130.9373279845.

The spelling of 2244866 in words is "two million, two hundred forty-four thousand, eight hundred sixty-six".