22022110122210 has 128 divisors (see below), whose sum is σ = 64096709529600. Its totient is φ = 5335994266560.

The previous prime is 22022110122073. The next prime is 22022110122269. The reversal of 22022110122210 is 1222101122022.

It is a happy number.

22022110122210 is a `hidden beast` number, since 220 + 2 + 2 + 110 + 122 + 210 = 666.

It is a super-2 number, since 2×22022110122210² (a number of 27 digits) contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4004247 + ... + 7751013.

It is an arithmetic number, because the mean of its divisors is an integer number (500755543200).

Almost surely, 2^{22022110122210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022110122210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32048354764800).

22022110122210 is an abundant number, since it is smaller than the sum of its proper divisors (42074599407390).

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

22022110122210 is a wasteful number, since it uses less digits than its factorization.

22022110122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748773 (or 3748767 counting only the distinct ones).

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

Adding to 22022110122210 its reverse (1222101122022), we get a palindrome (23244211244232).

The spelling of 22022110122210 in words is "twenty-two trillion, twenty-two billion, one hundred ten million, one hundred twenty-two thousand, two hundred ten".