2212011340 has 96 divisors (see below), whose sum is σ = 5856883200. Its totient is φ = 681669120.

The previous prime is 2212011311. The next prime is 2212011371. The reversal of 2212011340 is 431102122.

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, 128991 + ... + 145129.

It is an arithmetic number, because the mean of its divisors is an integer number (61009200).

Almost surely, 2^2212011340 is an apocalyptic number.

2212011340 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 2212011340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928441600).

2212011340 is an abundant number, since it is smaller than the sum of its proper divisors (3644871860).

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

2212011340 is a wasteful number, since it uses less digits than its factorization.

2212011340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255 (or 16253 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2212011340 is about 47032.0246215278. The cubic root of 2212011340 is about 1302.9540986381.

Adding to 2212011340 its reverse (431102122), we get a palindrome (2643113462).

The spelling of 2212011340 in words is "two billion, two hundred twelve million, eleven thousand, three hundred forty".