22105112525 has 12 divisors (see below), whose sum is σ = 28852989600. Its totient is φ = 16753348080.

The previous prime is 22105112483. The next prime is 22105112537. The reversal of 22105112525 is 52521150122.

It is a happy number.

It is not a de Polignac number, because 22105112525 - 2⁸ = 22105112269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22105112494 and 22105112503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23268065 + ... + 23269014.

It is an arithmetic number, because the mean of its divisors is an integer number (2404415800).

Almost surely, 2^22105112525 is an apocalyptic number.

22105112525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22105112525 is a deficient number, since it is larger than the sum of its proper divisors (6747877075).

22105112525 is a wasteful number, since it uses less digits than its factorization.

22105112525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46537108 (or 46537103 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 22105112525 its reverse (52521150122), we get a palindrome (74626262647).

The spelling of 22105112525 in words is "twenty-two billion, one hundred five million, one hundred twelve thousand, five hundred twenty-five".