2212213444 has 48 divisors (see below), whose sum is σ = 4610027520. Its totient is φ = 908894880.

The previous prime is 2212213441. The next prime is 2212213447. The reversal of 2212213444 is 4443122122.

2212213444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2212213441) and next prime (2212213447).

It is a super-2 number, since 2×2212213444² = 9787776643628682272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212213441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80967 + ... + 104785.

It is an arithmetic number, because the mean of its divisors is an integer number (96042240).

Almost surely, 2^2212213444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212213444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305013760).

2212213444 is an abundant number, since it is smaller than the sum of its proper divisors (2397814076).

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

2212213444 is a wasteful number, since it uses less digits than its factorization.

2212213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23968 (or 23966 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 2212213444 is about 47034.1731510186. The cubic root of 2212213444 is about 1302.9937796004.

Adding to 2212213444 its reverse (4443122122), we get a palindrome (6655335566).

The spelling of 2212213444 in words is "two billion, two hundred twelve million, two hundred thirteen thousand, four hundred forty-four".