2211222002022 has 80 divisors (see below), whose sum is σ = 5412241573200. Its totient is φ = 669195509760.

The previous prime is 2211222001993. The next prime is 2211222002039. The reversal of 2211222002022 is 2202002221122.

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 = 2211222001986 and 2211222002004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 563554 + ... + 2177162.

It is an arithmetic number, because the mean of its divisors is an integer number (67653019665).

Almost surely, 2^{2211222002022} is an apocalyptic number.

2211222002022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211222002022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706120786600).

2211222002022 is an abundant number, since it is smaller than the sum of its proper divisors (3201019571178).

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

2211222002022 is a wasteful number, since it uses less digits than its factorization.

2211222002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614403 (or 1614394 counting only the distinct ones).

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

Adding to 2211222002022 its reverse (2202002221122), we get a palindrome (4413224223144).

The spelling of 2211222002022 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two thousand, twenty-two".