1002222100222 has 32 divisors (see below), whose sum is σ = 1747323187200. Its totient is φ = 422217617568.

The previous prime is 1002222100211. The next prime is 1002222100261. The reversal of 1002222100222 is 2220012222001.

It is a super-2 number, since 2×1002222100222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002222100196 and 1002222100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19524963 + ... + 19576225.

It is an arithmetic number, because the mean of its divisors is an integer number (54603849600).

Almost surely, 2^{1002222100222} is an apocalyptic number.

1002222100222 is a deficient number, since it is larger than the sum of its proper divisors (745101086978).

1002222100222 is a wasteful number, since it uses less digits than its factorization.

1002222100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75000.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1002222100222 its reverse (2220012222001), we get a palindrome (3222234322223).

The spelling of 1002222100222 in words is "one trillion, two billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".