222403324242 has 96 divisors (see below), whose sum is σ = 531255029760. Its totient is φ = 61788117600.

The previous prime is 222403324217. The next prime is 222403324289. The reversal of 222403324242 is 242423304222.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 167563 + ... + 687665.

It is an arithmetic number, because the mean of its divisors is an integer number (5533906560).

Almost surely, 2^222403324242 is an apocalyptic number.

222403324242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222403324242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265627514880).

222403324242 is an abundant number, since it is smaller than the sum of its proper divisors (308851705518).

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

222403324242 is a wasteful number, since it uses less digits than its factorization.

222403324242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520180 (or 520169 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 222403324242 its reverse (242423304222), we get a palindrome (464826628464).

It can be divided in two parts, 222403 and 324242, that added together give a palindrome (546645).

The spelling of 222403324242 in words is "two hundred twenty-two billion, four hundred three million, three hundred twenty-four thousand, two hundred forty-two".