2220807340 has 48 divisors (see below), whose sum is σ = 4891727232. Its totient is φ = 845911296.

The previous prime is 2220807319. The next prime is 2220807361. The reversal of 2220807340 is 437080222.

It is an interprime number because it is at equal distance from previous prime (2220807319) and next prime (2220807361).

It is a junction number, because it is equal to n+sod(n) for n = 2220807299 and 2220807308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2854 + ... + 66706.

It is an arithmetic number, because the mean of its divisors is an integer number (101910984).

Almost surely, 2^2220807340 is an apocalyptic number.

2220807340 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 2220807340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2445863616).

2220807340 is an abundant number, since it is smaller than the sum of its proper divisors (2670919892).

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

2220807340 is a wasteful number, since it uses less digits than its factorization.

2220807340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63946 (or 63944 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2220807340 is about 47125.4425973911. The cubic root of 2220807340 is about 1304.6788677589.

Adding to 2220807340 its reverse (437080222), we get a palindrome (2657887562).

The spelling of 2220807340 in words is "two billion, two hundred twenty million, eight hundred seven thousand, three hundred forty".