2212203100 has 72 divisors (see below), whose sum is σ = 4868278688. Its totient is φ = 872467200.

The previous prime is 2212203061. The next prime is 2212203107. The reversal of 2212203100 is 13022122.

2212203100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2212203100² = 9787685111299220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212203107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4088830 + ... + 4089370.

Almost surely, 2^2212203100 is an apocalyptic number.

2212203100 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 2212203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434139344).

2212203100 is an abundant number, since it is smaller than the sum of its proper divisors (2656075588).

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

2212203100 is a wasteful number, since it uses less digits than its factorization.

2212203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2212203100 is about 47034.0631882894. The cubic root of 2212203100 is about 1302.9917487251.

Adding to 2212203100 its reverse (13022122), we get a palindrome (2225225222).

The spelling of 2212203100 in words is "two billion, two hundred twelve million, two hundred three thousand, one hundred".