22643013355 has 16 divisors (see below), whose sum is σ = 28783896480. Its totient is φ = 17051703552.

The previous prime is 22643013347. The next prime is 22643013359. The reversal of 22643013355 is 55331034622.

It is a cyclic number.

It is not a de Polignac number, because 22643013355 - 2³ = 22643013347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22643013355.

It is not an unprimeable number, because it can be changed into a prime (22643013359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744154 + ... + 773983.

It is an arithmetic number, because the mean of its divisors is an integer number (1798993530).

Almost surely, 2^22643013355 is an apocalyptic number.

22643013355 is a deficient number, since it is larger than the sum of its proper divisors (6140883125).

22643013355 is a wasteful number, since it uses less digits than its factorization.

22643013355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518318.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 22643013355 its reverse (55331034622), we get a palindrome (77974047977).

The spelling of 22643013355 in words is "twenty-two billion, six hundred forty-three million, thirteen thousand, three hundred fifty-five".