2243238 has 16 divisors (see below), whose sum is σ = 4520880. Its totient is φ = 742016.

The previous prime is 2243221. The next prime is 2243251. The reversal of 2243238 is 8323422.

It is a d-powerful number, because it can be written as 2 + 2⁵ + 4⁸ + 3¹⁰ + 2¹⁹ + 3¹³ + 8 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (282555).

2^2243238 is an apocalyptic number.

2243238 is an abundant number, since it is smaller than the sum of its proper divisors (2277642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243238 is a wasteful number, since it uses less digits than its factorization.

2243238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its digits is 2304, while the sum is 24.

The square root of 2243238 is about 1497.7443039451. The cubic root of 2243238 is about 130.9056679625.

The spelling of 2243238 in words is "two million, two hundred forty-three thousand, two hundred thirty-eight".