2223112340 has 12 divisors (see below), whose sum is σ = 4668535956. Its totient is φ = 889244928.

The previous prime is 2223112301. The next prime is 2223112343. The reversal of 2223112340 is 432113222.

It can be written as a sum of positive squares in 2 ways, for example, as 281299984 + 1941812356 = 16772^2 + 44066^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 111155617 = 2223112340 / (2 + 2 + 2 + 3 + 1 + 1 + 2 + 3 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223112343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55577789 + ... + 55577828.

It is an arithmetic number, because the mean of its divisors is an integer number (389044663).

Almost surely, 2^2223112340 is an apocalyptic number.

2223112340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223112340 is an abundant number, since it is smaller than the sum of its proper divisors (2445423616).

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

2223112340 is a wasteful number, since it uses less digits than its factorization.

2223112340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111155626 (or 111155624 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2223112340 is about 47149.8922586256. The cubic root of 2223112340 is about 1305.1300917956.

Adding to 2223112340 its reverse (432113222), we get a palindrome (2655225562).

The spelling of 2223112340 in words is "two billion, two hundred twenty-three million, one hundred twelve thousand, three hundred forty".