22116392525 has 24 divisors (see below), whose sum is σ = 28905326280. Its totient is φ = 16760656640.

The previous prime is 22116392479. The next prime is 22116392533. The reversal of 22116392525 is 52529361122.

It can be written as a sum of positive squares in 12 ways, for example, as 2288091556 + 19828300969 = 47834^2 + 140813^2 .

It is not a de Polignac number, because 22116392525 - 2¹⁰ = 22116391501 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 249362 + ... + 326211.

It is an arithmetic number, because the mean of its divisors is an integer number (1204388595).

Almost surely, 2^22116392525 is an apocalyptic number.

22116392525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22116392525 is a deficient number, since it is larger than the sum of its proper divisors (6788933755).

22116392525 is a wasteful number, since it uses less digits than its factorization.

22116392525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575665 (or 575660 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The spelling of 22116392525 in words is "twenty-two billion, one hundred sixteen million, three hundred ninety-two thousand, five hundred twenty-five".