22122220220222 has 16 divisors (see below), whose sum is σ = 33651054543744. Its totient is φ = 10905205311000.

The previous prime is 22122220220183. The next prime is 22122220220291. The reversal of 22122220220222 is 22202202222122.

It is a super-2 number, since 2×22122220220222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13650197 + ... + 15184607.

It is an arithmetic number, because the mean of its divisors is an integer number (2103190908984).

Almost surely, 2^{22122220220222} is an apocalyptic number.

22122220220222 is a deficient number, since it is larger than the sum of its proper divisors (11528834323522).

22122220220222 is a wasteful number, since it uses less digits than its factorization.

22122220220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636015.

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

Adding to 22122220220222 its reverse (22202202222122), we get a palindrome (44324422442344).

The spelling of 22122220220222 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-two".