22220221220222 has 8 divisors (see below), whose sum is σ = 33554025333000. Its totient is φ = 11035546109224.

The previous prime is 22220221220203. The next prime is 22220221220243. The reversal of 22220221220222 is 22202212202222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37282250072 + ... + 37282250667.

It is an arithmetic number, because the mean of its divisors is an integer number (4194253166625).

Almost surely, 2^{22220221220222} is an apocalyptic number.

22220221220222 is a deficient number, since it is larger than the sum of its proper divisors (11333804112778).

22220221220222 is a wasteful number, since it uses less digits than its factorization.

22220221220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74564500890.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22220221220222 its reverse (22202212202222), we get a palindrome (44422433422444).

It can be divided in two parts, 2 and 2220221220222, that multiplied together give a palindrome (4440442440444).

The spelling of 22220221220222 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".