2211223110 has 64 divisors (see below), whose sum is σ = 5397898752. Its totient is φ = 579591936.

The previous prime is 2211223093. The next prime is 2211223121. The reversal of 2211223110 is 113221122.

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 2211223110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1239279 + ... + 1241061.

It is an arithmetic number, because the mean of its divisors is an integer number (84342168).

Almost surely, 2^2211223110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211223110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2698949376).

2211223110 is an abundant number, since it is smaller than the sum of its proper divisors (3186675642).

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

2211223110 is a wasteful number, since it uses less digits than its factorization.

2211223110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2211223110 is about 47023.6441590824. The cubic root of 2211223110 is about 1302.7993149946.

Adding to 2211223110 its reverse (113221122), we get a palindrome (2324444232).

The spelling of 2211223110 in words is "two billion, two hundred eleven million, two hundred twenty-three thousand, one hundred ten".