2243214 has 40 divisors (see below), whose sum is σ = 5131368. Its totient is φ = 732240.

The previous prime is 2243209. The next prime is 2243221. The reversal of 2243214 is 4123422.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 19 ways as a sum of consecutive naturals, for example, 9769 + ... + 9995.

2^2243214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2565684).

2243214 is an abundant number, since it is smaller than the sum of its proper divisors (2888154).

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

2243214 is a wasteful number, since it uses less digits than its factorization.

2243214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 293 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2243214 is about 1497.7362918752. The cubic root of 2243214 is about 130.9052011155.

Adding to 2243214 its reverse (4123422), we get a palindrome (6366636).

The spelling of 2243214 in words is "two million, two hundred forty-three thousand, two hundred fourteen".