2216220652 has 24 divisors (see below), whose sum is σ = 3974470416. Its totient is φ = 1080900288.

The previous prime is 2216220619. The next prime is 2216220673. The reversal of 2216220652 is 2560226122.

It is a self number, because there is not a number n which added to its sum of digits gives 2216220652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6463 + ... + 66889.

It is an arithmetic number, because the mean of its divisors is an integer number (165602934).

Almost surely, 2^2216220652 is an apocalyptic number.

It is an amenable number.

2216220652 is a deficient number, since it is larger than the sum of its proper divisors (1758249764).

2216220652 is a wasteful number, since it uses less digits than its factorization.

2216220652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60657 (or 60655 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2216220652 is about 47076.7527767156. The cubic root of 2216220652 is about 1303.7800535794.

Adding to 2216220652 its reverse (2560226122), we get a palindrome (4776446774).

The spelling of 2216220652 in words is "two billion, two hundred sixteen million, two hundred twenty thousand, six hundred fifty-two".