222110212100022 has 96 divisors (see below), whose sum is σ = 506361401923104. Its totient is φ = 70270253222400.

The previous prime is 222110212099987. The next prime is 222110212100027. The reversal of 222110212100022 is 220001212011222.

It is a happy number.

222110212100022 is a `hidden beast` number, since 222 + 110 + 212 + 100 + 0 + 22 = 666.

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 = 222110212099968 and 222110212100004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110212100027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226614997 + ... + 227593007.

It is an arithmetic number, because the mean of its divisors is an integer number (5274597936699).

Almost surely, 2^{222110212100022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222110212100022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253180700961552).

222110212100022 is an abundant number, since it is smaller than the sum of its proper divisors (284251189823082).

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

222110212100022 is a wasteful number, since it uses less digits than its factorization.

222110212100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986414 (or 986411 counting only the distinct ones).

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

Adding to 222110212100022 its reverse (220001212011222), we get a palindrome (442111424111244).

The spelling of 222110212100022 in words is "two hundred twenty-two trillion, one hundred ten billion, two hundred twelve million, one hundred thousand, twenty-two".