22125200014525 has 12 divisors (see below), whose sum is σ = 27635505307092. Its totient is φ = 17570961760640.

The previous prime is 22125200014523. The next prime is 22125200014571. The reversal of 22125200014525 is 52541000252122.

It can be written as a sum of positive squares in 6 ways, for example, as 1053033078276 + 21072166936249 = 1026174^2 + 4590443^2 .

It is not a de Polignac number, because 22125200014525 - 2¹ = 22125200014523 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 (22125200014523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3229952782 + ... + 3229959631.

It is an arithmetic number, because the mean of its divisors is an integer number (2302958775591).

Almost surely, 2^{22125200014525} is an apocalyptic number.

22125200014525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22125200014525 is a deficient number, since it is larger than the sum of its proper divisors (5510305292567).

22125200014525 is a wasteful number, since it uses less digits than its factorization.

22125200014525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459912560 (or 6459912555 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 22125200014525 its reverse (52541000252122), we get a palindrome (74666200266647).

The spelling of 22125200014525 in words is "twenty-two trillion, one hundred twenty-five billion, two hundred million, fourteen thousand, five hundred twenty-five".