242224442220 has 48 divisors (see below), whose sum is σ = 686813621760. Its totient is φ = 63775548096.

The previous prime is 242224442177. The next prime is 242224442221. The reversal of 242224442220 is 22244422242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (242224442221) 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, 25546362 + ... + 25555841.

It is an arithmetic number, because the mean of its divisors is an integer number (14308617120).

Almost surely, 2^242224442220 is an apocalyptic number.

242224442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242224442220 is an abundant number, since it is smaller than the sum of its proper divisors (444589179540).

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

242224442220 is a wasteful number, since it uses less digits than its factorization.

242224442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51102294 (or 51102292 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 242224442220 its reverse (22244422242), we get a palindrome (264468864462).

The spelling of 242224442220 in words is "two hundred forty-two billion, two hundred twenty-four million, four hundred forty-two thousand, two hundred twenty".