22021122200222 has 16 divisors (see below), whose sum is σ = 33040447407744. Its totient is φ = 11007640071000.

The previous prime is 22021122200213. The next prime is 22021122200257. The reversal of 22021122200222 is 22200222112022.

It is a super-2 number, since 2×22021122200222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22021122200194 and 22021122200203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145594697 + ... + 145745867.

It is an arithmetic number, because the mean of its divisors is an integer number (2065027962984).

Almost surely, 2^{22021122200222} is an apocalyptic number.

22021122200222 is a deficient number, since it is larger than the sum of its proper divisors (11019325207522).

22021122200222 is a wasteful number, since it uses less digits than its factorization.

22021122200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170015.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22021122200222 its reverse (22200222112022), we get a palindrome (44221344312244).

The spelling of 22021122200222 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, two hundred thousand, two hundred twenty-two".