22201110120222 has 160 divisors (see below), whose sum is σ = 54699518928384. Its totient is φ = 6674476723200.

The previous prime is 22201110120109. The next prime is 22201110120239. The reversal of 22201110120222 is 22202101110222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22201110120195 and 22201110120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 126132897 + ... + 126308787.

Almost surely, 2^{22201110120222} is an apocalyptic number.

22201110120222 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 22201110120222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27349759464192).

22201110120222 is an abundant number, since it is smaller than the sum of its proper divisors (32498408808162).

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

22201110120222 is a wasteful number, since it uses less digits than its factorization.

22201110120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176476 (or 176467 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22201110120222 its reverse (22202101110222), we get a palindrome (44403211230444).

The spelling of 22201110120222 in words is "twenty-two trillion, two hundred one billion, one hundred ten million, one hundred twenty thousand, two hundred twenty-two".