2220705516 has 48 divisors (see below), whose sum is σ = 5345174240. Its totient is φ = 717050880.

The previous prime is 2220705481. The next prime is 2220705521. The reversal of 2220705516 is 6155070222.

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, 90756 + ... + 112596.

Almost surely, 2^2220705516 is an apocalyptic number.

It is an amenable number.

2220705516 is an abundant number, since it is smaller than the sum of its proper divisors (3124468724).

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

2220705516 is a wasteful number, since it uses less digits than its factorization.

2220705516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22114 (or 22112 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2220705516 is about 47124.3622344112. The cubic root of 2220705516 is about 1304.6589276153.

Adding to 2220705516 its reverse (6155070222), we get a palindrome (8375775738).

The spelling of 2220705516 in words is "two billion, two hundred twenty million, seven hundred five thousand, five hundred sixteen".