222243304240 has 40 divisors (see below), whose sum is σ = 516741770160. Its totient is φ = 88892833536.

The previous prime is 222243304189. The next prime is 222243304271. The reversal of 222243304240 is 42403342222.

It is a happy number.

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 = 222243304199 and 222243304208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851327 + ... + 1967713.

It is an arithmetic number, because the mean of its divisors is an integer number (12918544254).

Almost surely, 2^222243304240 is an apocalyptic number.

222243304240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222243304240 is an abundant number, since it is smaller than the sum of its proper divisors (294498465920).

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

222243304240 is a wasteful number, since it uses less digits than its factorization.

222243304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140269 (or 140263 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 222243304240 its reverse (42403342222), we get a palindrome (264646646462).

The spelling of 222243304240 in words is "two hundred twenty-two billion, two hundred forty-three million, three hundred four thousand, two hundred forty".