2220316624 has 20 divisors (see below), whose sum is σ = 4406788260. Its totient is φ = 1083080960.

The previous prime is 2220316621. The next prime is 2220316663. The reversal of 2220316624 is 4266130222.

It can be written as a sum of positive squares in 2 ways, for example, as 491420224 + 1728896400 = 22168^2 + 41580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220316592 and 2220316601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220316621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691659 + ... + 1692970.

It is an arithmetic number, because the mean of its divisors is an integer number (220339413).

Almost surely, 2^2220316624 is an apocalyptic number.

It is an amenable number.

2220316624 is a deficient number, since it is larger than the sum of its proper divisors (2186471636).

2220316624 is a wasteful number, since it uses less digits than its factorization.

2220316624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384678 (or 3384672 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2220316624 is about 47120.2358228394. The cubic root of 2220316624 is about 1304.5827654774.

Adding to 2220316624 its reverse (4266130222), we get a palindrome (6486446846).

The spelling of 2220316624 in words is "two billion, two hundred twenty million, three hundred sixteen thousand, six hundred twenty-four".