22223240240 has 40 divisors (see below), whose sum is σ = 51818000400. Its totient is φ = 8863667456.

The previous prime is 22223240239. The next prime is 22223240243. The reversal of 22223240240 is 4204232222.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (22223240243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372515 + ... + 428034.

It is an arithmetic number, because the mean of its divisors is an integer number (1295450010).

Almost surely, 2^22223240240 is an apocalyptic number.

22223240240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223240240 is an abundant number, since it is smaller than the sum of its proper divisors (29594760160).

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

22223240240 is a wasteful number, since it uses less digits than its factorization.

22223240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800909 (or 800903 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22223240240 its reverse (4204232222), we get a palindrome (26427472462).

The spelling of 22223240240 in words is "twenty-two billion, two hundred twenty-three million, two hundred forty thousand, two hundred forty".