222242204240 has 80 divisors (see below), whose sum is σ = 593828599680. Its totient is φ = 75771609600.

The previous prime is 222242204221. The next prime is 222242204243. The reversal of 222242204240 is 42402242222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222242204243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008311 + ... + 1208790.

It is an arithmetic number, because the mean of its divisors is an integer number (7422857496).

Almost surely, 2^222242204240 is an apocalyptic number.

222242204240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222242204240 is an abundant number, since it is smaller than the sum of its proper divisors (371586395440).

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

222242204240 is a wasteful number, since it uses less digits than its factorization.

222242204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217300 (or 2217294 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 222242204240 its reverse (42402242222), we get a palindrome (264644446462).

The spelling of 222242204240 in words is "two hundred twenty-two billion, two hundred forty-two million, two hundred four thousand, two hundred forty".