2238286340 has 12 divisors (see below), whose sum is σ = 4700401356. Its totient is φ = 895314528.

The previous prime is 2238286339. The next prime is 2238286343. The reversal of 2238286340 is 436828322.

It can be written as a sum of positive squares in 2 ways, for example, as 355247104 + 1883039236 = 18848^2 + 43394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2238286294 and 2238286303.

It is not an unprimeable number, because it can be changed into a prime (2238286343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55957139 + ... + 55957178.

It is an arithmetic number, because the mean of its divisors is an integer number (391700113).

Almost surely, 2^2238286340 is an apocalyptic number.

2238286340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238286340 is an abundant number, since it is smaller than the sum of its proper divisors (2462115016).

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

2238286340 is a wasteful number, since it uses less digits than its factorization.

2238286340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111914326 (or 111914324 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 2238286340 is about 47310.5309629896. The cubic root of 2238286340 is about 1308.0927785068.

The spelling of 2238286340 in words is "two billion, two hundred thirty-eight million, two hundred eighty-six thousand, three hundred forty".