2002221102222 has 48 divisors (see below), whose sum is σ = 4733071827120. Its totient is φ = 606663254400.

The previous prime is 2002221102151. The next prime is 2002221102229. The reversal of 2002221102222 is 2222011222002.

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 = 2002221102195 and 2002221102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002221102229) 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, 1136404 + ... + 2301272.

It is an arithmetic number, because the mean of its divisors is an integer number (98605663065).

Almost surely, 2^{2002221102222} is an apocalyptic number.

2002221102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002221102222 is an abundant number, since it is smaller than the sum of its proper divisors (2730850724898).

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

2002221102222 is a wasteful number, since it uses less digits than its factorization.

2002221102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173569 (or 1173566 counting only the distinct ones).

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

Adding to 2002221102222 its reverse (2222011222002), we get a palindrome (4224232324224).

The spelling of 2002221102222 in words is "two trillion, two billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-two".