2243442320 has 80 divisors (see below), whose sum is σ = 6166748160. Its totient is φ = 742651392.

The previous prime is 2243442307. The next prime is 2243442343. The reversal of 2243442320 is 232443422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2243442320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52832 + ... + 85311.

It is an arithmetic number, because the mean of its divisors is an integer number (77084352).

Almost surely, 2^2243442320 is an apocalyptic number.

2243442320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243442320 is an abundant number, since it is smaller than the sum of its proper divisors (3923305840).

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

2243442320 is a wasteful number, since it uses less digits than its factorization.

2243442320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138192 (or 138186 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2243442320 is about 47364.9904465313. The cubic root of 2243442320 is about 1309.0964225240.

Adding to 2243442320 its reverse (232443422), we get a palindrome (2475885742).

The spelling of 2243442320 in words is "two billion, two hundred forty-three million, four hundred forty-two thousand, three hundred twenty".