1002222102222 has 48 divisors (see below), whose sum is σ = 2369931855408. Its totient is φ = 303569917440.

The previous prime is 1002222102209. The next prime is 1002222102227. The reversal of 1002222102222 is 2222012222001.

1002222102222 is a `hidden beast` number, since 10 + 0 + 222 + 210 + 2 + 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 = 1002222102195 and 1002222102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002222102227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663393 + ... + 1563500.

It is an arithmetic number, because the mean of its divisors is an integer number (49373580321).

Almost surely, 2^{1002222102222} is an apocalyptic number.

1002222102222 is an abundant number, since it is smaller than the sum of its proper divisors (1367709753186).

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

1002222102222 is a wasteful number, since it uses less digits than its factorization.

1002222102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229185 (or 2229182 counting only the distinct ones).

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

Adding to 1002222102222 its reverse (2222012222001), we get a palindrome (3224234324223).

The spelling of 1002222102222 in words is "one trillion, two billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-two".