222304144240 has 40 divisors (see below), whose sum is σ = 517262116320. Its totient is φ = 88851983616.

The previous prime is 222304144187. The next prime is 222304144243. The reversal of 222304144240 is 42441403222.

222304144240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 222304144199 and 222304144208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222304144243) 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, 985860 + ... + 1190179.

It is an arithmetic number, because the mean of its divisors is an integer number (12931552908).

Almost surely, 2^222304144240 is an apocalyptic number.

222304144240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222304144240 is an abundant number, since it is smaller than the sum of its proper divisors (294957972080).

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

222304144240 is a wasteful number, since it uses less digits than its factorization.

222304144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177329 (or 2177323 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 222304144240 its reverse (42441403222), we get a palindrome (264745547462).

The spelling of 222304144240 in words is "two hundred twenty-two billion, three hundred four million, one hundred forty-four thousand, two hundred forty".