22102222122222 has 32 divisors (see below), whose sum is σ = 50761084302720. Its totient is φ = 6345135537120.

The previous prime is 22102222122199. The next prime is 22102222122251. The reversal of 22102222122222 is 22222122220122.

It is a junction number, because it is equal to n+sod(n) for n = 22102222122192 and 22102222122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8812686993 + ... + 8812689500.

It is an arithmetic number, because the mean of its divisors is an integer number (1586283884460).

Almost surely, 2^{22102222122222} is an apocalyptic number.

22102222122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22102222122222 is an abundant number, since it is smaller than the sum of its proper divisors (28658862180498).

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

22102222122222 is a wasteful number, since it uses less digits than its factorization.

22102222122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17625376528.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22102222122222 its reverse (22222122220122), we get a palindrome (44324344342344).

The spelling of 22102222122222 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".