22005425755 has 4 divisors (see below), whose sum is σ = 26406510912. Its totient is φ = 17604340600.

The previous prime is 22005425737. The next prime is 22005425777. The reversal of 22005425755 is 55752450022.

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

It is not a de Polignac number, because 22005425755 - 2¹³ = 22005417563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200542571 + ... + 2200542580.

It is an arithmetic number, because the mean of its divisors is an integer number (6601627728).

Almost surely, 2^22005425755 is an apocalyptic number.

22005425755 is a deficient number, since it is larger than the sum of its proper divisors (4401085157).

22005425755 is an equidigital number, since it uses as much as digits as its factorization.

22005425755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401085156.

The product of its (nonzero) digits is 140000, while the sum is 37.

Adding to 22005425755 its reverse (55752450022), we get a palindrome (77757875777).

The spelling of 22005425755 in words is "twenty-two billion, five million, four hundred twenty-five thousand, seven hundred fifty-five".