2312022340 has 24 divisors (see below), whose sum is σ = 4858983360. Its totient is φ = 924097248.

The previous prime is 2312022311. The next prime is 2312022341. The reversal of 2312022340 is 432202132.

It is not an unprimeable number, because it can be changed into a prime (2312022341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17442 + ... + 70201.

It is an arithmetic number, because the mean of its divisors is an integer number (202457640).

Almost surely, 2^2312022340 is an apocalyptic number.

2312022340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312022340 is an abundant number, since it is smaller than the sum of its proper divisors (2546961020).

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

2312022340 is a wasteful number, since it uses less digits than its factorization.

2312022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88971 (or 88969 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2312022340 is about 48083.4934254989. The cubic root of 2312022340 is about 1322.3020626359.

Adding to 2312022340 its reverse (432202132), we get a palindrome (2744224472).

The spelling of 2312022340 in words is "two billion, three hundred twelve million, twenty-two thousand, three hundred forty".