2243636 has 12 divisors (see below), whose sum is σ = 3937920. Its totient is φ = 1118520.

The previous prime is 2243623. The next prime is 2243663. The reversal of 2243636 is 6363422.

2243636 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2³ + 2¹⁹ + 4⁸ + 3¹⁰ + 6³ + 3¹³ + 6³ .

2243636 is a modest number, since divided by 3636 gives 224 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (328160).

2^2243636 is an apocalyptic number.

It is an amenable number.

2243636 is a deficient number, since it is larger than the sum of its proper divisors (1694284).

2243636 is a wasteful number, since it uses less digits than its factorization.

2243636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 2243636 is about 1497.8771645232. The cubic root of 2243636 is about 130.9134093576.

The spelling of 2243636 in words is "two million, two hundred forty-three thousand, six hundred thirty-six".