2243850 has 48 divisors (see below), whose sum is σ = 6362688. Its totient is φ = 512640.

The previous prime is 2243833. The next prime is 2243851. The reversal of 2243850 is 583422.

It is a self number, because there is not a number n which added to its sum of digits gives 2243850.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19 + ... + 2118.

It is an arithmetic number, because the mean of its divisors is an integer number (132556).

2^2243850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3181344).

2243850 is an abundant number, since it is smaller than the sum of its proper divisors (4118838).

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

2243850 is a wasteful number, since it uses less digits than its factorization.

2243850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2243850 is about 1497.9485972489. The cubic root of 2243850 is about 130.9175714378.

The spelling of 2243850 in words is "two million, two hundred forty-three thousand, eight hundred fifty".