22125143255225 has 6 divisors (see below), whose sum is σ = 27435177636510. Its totient is φ = 17700114604160.

The previous prime is 22125143255207. The next prime is 22125143255279. The reversal of 22125143255225 is 52255234152122.

It can be written as a sum of positive squares in 3 ways, for example, as 104160462121 + 22020982793104 = 322739^2 + 4692652^2 .

It is not a de Polignac number, because 22125143255225 - 2³² = 22120848287929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442502865080 + ... + 442502865129.

It is an arithmetic number, because the mean of its divisors is an integer number (4572529606085).

Almost surely, 2^{22125143255225} is an apocalyptic number.

22125143255225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22125143255225 is a deficient number, since it is larger than the sum of its proper divisors (5310034381285).

22125143255225 is an equidigital number, since it uses as much as digits as its factorization.

22125143255225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885005730219 (or 885005730214 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

The spelling of 22125143255225 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred forty-three million, two hundred fifty-five thousand, two hundred twenty-five".