222221200212222 has 32 divisors (see below), whose sum is σ = 460177411351680. Its totient is φ = 71455780593120.

The previous prime is 222221200212161. The next prime is 222221200212223. The reversal of 222221200212222 is 222212002122222.

It is a junction number, because it is equal to n+sod(n) for n = 222221200212192 and 222221200212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221200212223) 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, 568430304 + ... + 568821107.

It is an arithmetic number, because the mean of its divisors is an integer number (14380544104740).

Almost surely, 2^{222221200212222} is an apocalyptic number.

222221200212222 is an abundant number, since it is smaller than the sum of its proper divisors (237956211139458).

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

222221200212222 is a wasteful number, since it uses less digits than its factorization.

222221200212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137252568.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222221200212222 its reverse (222212002122222), we get a palindrome (444433202334444).

It can be divided in two parts, 2 and 22221200212222, that multiplied together give a palindrome (44442400424444).

The spelling of 222221200212222 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred twenty-two".