222110012001222 has 64 divisors (see below), whose sum is σ = 494016845760000. Its totient is φ = 73970819002080.

The previous prime is 222110012001187. The next prime is 222110012001377. The reversal of 222110012001222 is 222100210011222.

It is a happy number.

222110012001222 is a `hidden beast` number, since 2 + 221 + 100 + 120 + 0 + 1 + 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 = 222110012001195 and 222110012001204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2716934404 + ... + 2717016152.

It is an arithmetic number, because the mean of its divisors is an integer number (7719013215000).

Almost surely, 2^{222110012001222} is an apocalyptic number.

222110012001222 is an abundant number, since it is smaller than the sum of its proper divisors (271906833758778).

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

222110012001222 is a wasteful number, since it uses less digits than its factorization.

222110012001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125898 (or 125892 counting only the distinct ones).

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

Adding to 222110012001222 its reverse (222100210011222), we get a palindrome (444210222012444).

The spelling of 222110012001222 in words is "two hundred twenty-two trillion, one hundred ten billion, twelve million, one thousand, two hundred twenty-two".