2212313140 has 96 divisors (see below), whose sum is σ = 5033871360. Its totient is φ = 814732800.

The previous prime is 2212313119. The next prime is 2212313141. The reversal of 2212313140 is 413132122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212313141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275714 + ... + 1277446.

It is an arithmetic number, because the mean of its divisors is an integer number (52436160).

Almost surely, 2^2212313140 is an apocalyptic number.

2212313140 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 2212313140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516935680).

2212313140 is an abundant number, since it is smaller than the sum of its proper divisors (2821558220).

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

2212313140 is a wasteful number, since it uses less digits than its factorization.

2212313140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2212313140 is about 47035.2329642365. The cubic root of 2212313140 is about 1303.0133529553.

Adding to 2212313140 its reverse (413132122), we get a palindrome (2625445262).

The spelling of 2212313140 in words is "two billion, two hundred twelve million, three hundred thirteen thousand, one hundred forty".