2212455500 has 96 divisors (see below), whose sum is σ = 4926737088. Its totient is φ = 867840000.

The previous prime is 2212455449. The next prime is 2212455527. The reversal of 2212455500 is 55542122.

2212455500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2212455500.

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, 9746387 + ... + 9746613.

It is an arithmetic number, because the mean of its divisors is an integer number (51320178).

Almost surely, 2^2212455500 is an apocalyptic number.

2212455500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212455500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2463368544).

2212455500 is an abundant number, since it is smaller than the sum of its proper divisors (2714281588).

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

2212455500 is a wasteful number, since it uses less digits than its factorization.

2212455500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2212455500 is about 47036.7462735253. The cubic root of 2212455500 is about 1303.0413015308.

Adding to 2212455500 its reverse (55542122), we get a palindrome (2267997622).

The spelling of 2212455500 in words is "two billion, two hundred twelve million, four hundred fifty-five thousand, five hundred".