22047500225 has 6 divisors (see below), whose sum is σ = 27338900310. Its totient is φ = 17638000160.

The previous prime is 22047500201. The next prime is 22047500227. The reversal of 22047500225 is 52200574022.

It can be written as a sum of positive squares in 3 ways, for example, as 4596297616 + 17451202609 = 67796^2 + 132103^2 .

It is not a de Polignac number, because 22047500225 - 2²⁴ = 22030723009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22047500227) 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 5 ways as a sum of consecutive naturals, for example, 440949980 + ... + 440950029.

It is an arithmetic number, because the mean of its divisors is an integer number (4556483385).

Almost surely, 2^22047500225 is an apocalyptic number.

22047500225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22047500225 is a deficient number, since it is larger than the sum of its proper divisors (5291400085).

22047500225 is an equidigital number, since it uses as much as digits as its factorization.

22047500225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881900019 (or 881900014 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The spelling of 22047500225 in words is "twenty-two billion, forty-seven million, five hundred thousand, two hundred twenty-five".