2243724 has 24 divisors (see below), whose sum is σ = 5983488. Its totient is φ = 641040.

The previous prime is 2243723. The next prime is 2243741. The reversal of 2243724 is 4273422.

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

It is a d-powerful number, because it can be written as 2³ + 2¹³ + 4² + 3⁹ + 7⁶ + 2²¹ + 4⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 2243694 and 2243703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13272 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (249312).

2^2243724 is an apocalyptic number.

It is an amenable number.

2243724 is an abundant number, since it is smaller than the sum of its proper divisors (3739764).

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

2243724 is a wasteful number, since it uses less digits than its factorization.

2243724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26725 (or 26723 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 2243724 is about 1497.9065391405. The cubic root of 2243724 is about 130.9151208993.

The spelling of 2243724 in words is "two million, two hundred forty-three thousand, seven hundred twenty-four".