222211222310022 has 128 divisors (see below), whose sum is σ = 492592509222912. Its totient is φ = 66267880896000.

The previous prime is 222211222309961. The next prime is 222211222310023. The reversal of 222211222310022 is 220013222112222.

It is a junction number, because it is equal to n+sod(n) for n = 222211222309974 and 222211222310001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211222310023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 636805897 + ... + 637154747.

It is an arithmetic number, because the mean of its divisors is an integer number (3848378978304).

Almost surely, 2^{222211222310022} is an apocalyptic number.

222211222310022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211222310022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246296254611456).

222211222310022 is an abundant number, since it is smaller than the sum of its proper divisors (270381286912890).

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

222211222310022 is a wasteful number, since it uses less digits than its factorization.

222211222310022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349586.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 222211222310022 its reverse (220013222112222), we get a palindrome (442224444422244).

The spelling of 222211222310022 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, three hundred ten thousand, twenty-two".