222210002100222 has 80 divisors (see below), whose sum is σ = 499435176240000. Its totient is φ = 73843938982080.

The previous prime is 222210002100209. The next prime is 222210002100223. The reversal of 222210002100222 is 222001200012222.

222210002100222 is a `hidden beast` number, since 2 + 22 + 210 + 0 + 0 + 210 + 0 + 222 = 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 = 222210002100195 and 222210002100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210002100223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 303865779 + ... + 304596177.

It is an arithmetic number, because the mean of its divisors is an integer number (6242939703000).

Almost surely, 2^{222210002100222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222210002100222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249717588120000).

222210002100222 is an abundant number, since it is smaller than the sum of its proper divisors (277225174139778).

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

222210002100222 is a wasteful number, since it uses less digits than its factorization.

222210002100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736143 (or 736134 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222210002100222 its reverse (222001200012222), we get a palindrome (444211202112444).

The spelling of 222210002100222 in words is "two hundred twenty-two trillion, two hundred ten billion, two million, one hundred thousand, two hundred twenty-two".