2215663223652 has 96 divisors (see below), whose sum is σ = 5977221465600. Its totient is φ = 709201898496.

The previous prime is 2215663223647. The next prime is 2215663223723. The reversal of 2215663223652 is 2563223665122.

2215663223652 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 6 + 632 + 2 + 3 + 6 + 5 + 2 = 666.

2215663223652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2215663223598 and 2215663223607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3848877 + ... + 4386932.

It is an arithmetic number, because the mean of its divisors is an integer number (62262723600).

Almost surely, 2^{2215663223652} is an apocalyptic number.

It is an amenable number.

2215663223652 is an abundant number, since it is smaller than the sum of its proper divisors (3761558241948).

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

2215663223652 is a wasteful number, since it uses less digits than its factorization.

2215663223652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235922 (or 8235914 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

Adding to 2215663223652 its reverse (2563223665122), we get a palindrome (4778886888774).

The spelling of 2215663223652 in words is "two trillion, two hundred fifteen billion, six hundred sixty-three million, two hundred twenty-three thousand, six hundred fifty-two".