22550624513 has 4 divisors (see below), whose sum is σ = 22553927748. Its totient is φ = 22547321280.

The previous prime is 22550624483. The next prime is 22550624533. The reversal of 22550624513 is 31542605522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17627076289 + 4923548224 = 132767^2 + 70168^2 .

It is a cyclic number.

It is not a de Polignac number, because 22550624513 - 2¹⁶ = 22550558977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22550624533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641356 + ... + 1655037.

It is an arithmetic number, because the mean of its divisors is an integer number (5638481937).

Almost surely, 2^22550624513 is an apocalyptic number.

It is an amenable number.

22550624513 is a deficient number, since it is larger than the sum of its proper divisors (3303235).

22550624513 is an equidigital number, since it uses as much as digits as its factorization.

22550624513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303234.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 22550624513 in words is "twenty-two billion, five hundred fifty million, six hundred twenty-four thousand, five hundred thirteen".