2212222110 has 192 divisors, whose sum is σ = 6559833600. Its totient is φ = 475039488.

The previous prime is 2212222097. The next prime is 2212222123. The reversal of 2212222110 is 112222122.

It is an interprime number because it is at equal distance from previous prime (2212222097) and next prime (2212222123).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212222110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1994236 + ... + 1995344.

It is an arithmetic number, because the mean of its divisors is an integer number (34165800).

Almost surely, 2^2212222110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212222110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3279916800).

2212222110 is an abundant number, since it is smaller than the sum of its proper divisors (4347611490).

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

2212222110 is a wasteful number, since it uses less digits than its factorization.

2212222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2212222110 is about 47034.2652754351. The cubic root of 2212222110 is about 1302.9954810229.

Adding to 2212222110 its reverse (112222122), we get a palindrome (2324444232).

The spelling of 2212222110 in words is "two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred ten".