2243321232 has 80 divisors (see below), whose sum is σ = 5976700800. Its totient is φ = 724608000.

The previous prime is 2243321221. The next prime is 2243321239. The reversal of 2243321232 is 2321233422.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (2243321239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293394 + ... + 300942.

It is an arithmetic number, because the mean of its divisors is an integer number (74708760).

Almost surely, 2^2243321232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2988350400).

2243321232 is an abundant number, since it is smaller than the sum of its proper divisors (3733379568).

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

2243321232 is a wasteful number, since it uses less digits than its factorization.

2243321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752 (or 7746 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 2243321232 is about 47363.7121855963. The cubic root of 2243321232 is about 1309.0728696237.

Adding to 2243321232 its reverse (2321233422), we get a palindrome (4564554654).

The spelling of 2243321232 in words is "two billion, two hundred forty-three million, three hundred twenty-one thousand, two hundred thirty-two".