22255545005 has 8 divisors (see below), whose sum is σ = 26710339992. Its totient is φ = 17801978688.

The previous prime is 22255545001. The next prime is 22255545007. The reversal of 22255545005 is 50054555222.

It can be written as a sum of positive squares in 4 ways, for example, as 1346963401 + 20908581604 = 36701^2 + 144598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22255545005 - 2² = 22255545001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255545001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 266834 + ... + 340163.

It is an arithmetic number, because the mean of its divisors is an integer number (3338792499).

Almost surely, 2^22255545005 is an apocalyptic number.

It is an amenable number.

22255545005 is a deficient number, since it is larger than the sum of its proper divisors (4454794987).

22255545005 is an equidigital number, since it uses as much as digits as its factorization.

22255545005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614335.

The product of its (nonzero) digits is 100000, while the sum is 35.

The spelling of 22255545005 in words is "twenty-two billion, two hundred fifty-five million, five hundred forty-five thousand, five".