2220515560 has 64 divisors (see below), whose sum is σ = 5358441600. Its totient is φ = 825566976.

The previous prime is 2220515543. The next prime is 2220515593. The reversal of 2220515560 is 655150222.

It is a super-2 number, since 2×2220515560² = 9861378704404227200, which contains 22 as substring.

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, 12717 + ... + 67843.

It is an arithmetic number, because the mean of its divisors is an integer number (83725650).

Almost surely, 2^2220515560 is an apocalyptic number.

2220515560 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 2220515560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679220800).

2220515560 is an abundant number, since it is smaller than the sum of its proper divisors (3137926040).

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

2220515560 is a wasteful number, since it uses less digits than its factorization.

2220515560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55210 (or 55206 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2220515560 is about 47122.3467157568. The cubic root of 2220515560 is about 1304.6217269966.

Adding to 2220515560 its reverse (655150222), we get a palindrome (2875665782).

The spelling of 2220515560 in words is "two billion, two hundred twenty million, five hundred fifteen thousand, five hundred sixty".