2212274320 has 80 divisors (see below), whose sum is σ = 5492184192. Its totient is φ = 826721280.

The previous prime is 2212274299. The next prime is 2212274321. The reversal of 2212274320 is 234722122.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2212274321) 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, 65140 + ... + 93100.

Almost surely, 2^2212274320 is an apocalyptic number.

2212274320 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 2212274320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2746092096).

2212274320 is an abundant number, since it is smaller than the sum of its proper divisors (3279909872).

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

2212274320 is a wasteful number, since it uses less digits than its factorization.

2212274320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28040 (or 28034 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2212274320 is about 47034.8202930552. The cubic root of 2212274320 is about 1303.0057314793.

Adding to 2212274320 its reverse (234722122), we get a palindrome (2446996442).

The spelling of 2212274320 in words is "two billion, two hundred twelve million, two hundred seventy-four thousand, three hundred twenty".