22063640125 has 8 divisors (see below), whose sum is σ = 27535423032. Its totient is φ = 17650912000.

The previous prime is 22063640099. The next prime is 22063640129. The reversal of 22063640125 is 52104636022.

It can be written as a sum of positive squares in 4 ways, for example, as 4354152196 + 17709487929 = 65986^2 + 133077^2 .

It is not a de Polignac number, because 22063640125 - 2⁹ = 22063639613 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 (22063640129) 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, 88254436 + ... + 88254685.

It is an arithmetic number, because the mean of its divisors is an integer number (3441927879).

Almost surely, 2^22063640125 is an apocalyptic number.

22063640125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22063640125 is a deficient number, since it is larger than the sum of its proper divisors (5471782907).

22063640125 is an equidigital number, since it uses as much as digits as its factorization.

22063640125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176509136 (or 176509126 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 22063640125 in words is "twenty-two billion, sixty-three million, six hundred forty thousand, one hundred twenty-five".