2243424240 has 120 divisors (see below), whose sum is σ = 7930749840. Its totient is φ = 566756352.

The previous prime is 2243424233. The next prime is 2243424241. The reversal of 2243424240 is 424243422.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243424241) 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, 68317 + ... + 95676.

It is an arithmetic number, because the mean of its divisors is an integer number (66089582).

Almost surely, 2^2243424240 is an apocalyptic number.

2243424240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243424240 is an abundant number, since it is smaller than the sum of its proper divisors (5687325600).

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

2243424240 is a wasteful number, since it uses less digits than its factorization.

2243424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164031 (or 164022 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2243424240 is about 47364.7995878796. The cubic root of 2243424240 is about 1309.0929058261.

Adding to 2243424240 its reverse (424243422), we get a palindrome (2667667662).

The spelling of 2243424240 in words is "two billion, two hundred forty-three million, four hundred twenty-four thousand, two hundred forty".