2210109990 has 128 divisors (see below), whose sum is σ = 6169789440. Its totient is φ = 500736000.

The previous prime is 2210109989. The next prime is 2210110009. The reversal of 2210109990 is 999010122.

2210109990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 845806 + ... + 848414.

It is an arithmetic number, because the mean of its divisors is an integer number (48201480).

Almost surely, 2^2210109990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210109990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084894720).

2210109990 is an abundant number, since it is smaller than the sum of its proper divisors (3959679450).

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

2210109990 is a wasteful number, since it uses less digits than its factorization.

2210109990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 2210109990 is about 47011.8069212405. The cubic root of 2210109990 is about 1302.5806704849.

The spelling of 2210109990 in words is "two billion, two hundred ten million, one hundred nine thousand, nine hundred ninety".