2243424 has 24 divisors (see below), whose sum is σ = 5889240. Its totient is φ = 747776.

The previous prime is 2243419. The next prime is 2243429. The reversal of 2243424 is 4243422.

It is an interprime number because it is at equal distance from previous prime (2243419) and next prime (2243429).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×2243424³ = 33873130833350787072, which contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2243424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11589 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (245385).

2^2243424 is an apocalyptic number.

2243424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2243424 is an abundant number, since it is smaller than the sum of its proper divisors (3645816).

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

2243424 is a wasteful number, since it uses less digits than its factorization.

2243424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23382 (or 23374 counting only the distinct ones).

The product of its digits is 1536, while the sum is 21.

The square root of 2243424 is about 1497.8063960339. The cubic root of 2243424 is about 130.9092859144.

Adding to 2243424 its reverse (4243422), we get a palindrome (6486846).

The spelling of 2243424 in words is "two million, two hundred forty-three thousand, four hundred twenty-four".