22011202122222 has 8 divisors (see below), whose sum is σ = 44022404244456. Its totient is φ = 7337067374072.

The previous prime is 22011202122209. The next prime is 22011202122263. The reversal of 22011202122222 is 22222120211022.

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

22011202122222 is an admirable number.

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, 1834266843513 + ... + 1834266843524.

It is an arithmetic number, because the mean of its divisors is an integer number (5502800530557).

Almost surely, 2^{22011202122222} is an apocalyptic number.

22011202122222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22011202122222 is a wasteful number, since it uses less digits than its factorization.

22011202122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668533687042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22011202122222 its reverse (22222120211022), we get a palindrome (44233322333244).

The spelling of 22011202122222 in words is "twenty-two trillion, eleven billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-two".