22201111110222 has 288 divisors, whose sum is σ = 57694271150880. Its totient is φ = 6097100636160.

The previous prime is 22201111110221. The next prime is 22201111110229.

22201111110222 is a `hidden beast` number, since 2 + 220 + 1 + 111 + 110 + 222 = 666.

22201111110222 is nontrivially palindromic in base 10.

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 = 22201111110195 and 22201111110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201111110221) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 446956404 + ... + 447006072.

It is an arithmetic number, because the mean of its divisors is an integer number (200327330385).

Almost surely, 2^{22201111110222} is an apocalyptic number.

22201111110222 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 22201111110222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28847135575440).

22201111110222 is an abundant number, since it is smaller than the sum of its proper divisors (35493160040658).

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

22201111110222 is a wasteful number, since it uses less digits than its factorization.

22201111110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49876 (or 49836 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 2220111 and 1110222, that added together give a palindrome (3330333).

The spelling of 22201111110222 in words is "twenty-two trillion, two hundred one billion, one hundred eleven million, one hundred ten thousand, two hundred twenty-two".