2243303442 has 48 divisors (see below), whose sum is σ = 5165723160. Its totient is φ = 701139456.

The previous prime is 2243303401. The next prime is 2243303443. The reversal of 2243303442 is 2443033422.

It can be written as a sum of positive squares in 4 ways, for example, as 1727150481 + 516152961 = 41559^2 + 22719^2 .

It is not an unprimeable number, because it can be changed into a prime (2243303443) 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, 68688 + ... + 95940.

Almost surely, 2^2243303442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243303442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2582861580).

2243303442 is an abundant number, since it is smaller than the sum of its proper divisors (2922419718).

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

2243303442 is a wasteful number, since it uses less digits than its factorization.

2243303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27547 (or 27544 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 2243303442 is about 47363.5243832213. The cubic root of 2243303442 is about 1309.0694092087.

Adding to 2243303442 its reverse (2443033422), we get a palindrome (4686336864).

The spelling of 2243303442 in words is "two billion, two hundred forty-three million, three hundred three thousand, four hundred forty-two".