22626516125 has 8 divisors (see below), whose sum is σ = 28237892280. Its totient is φ = 18101212800.

The previous prime is 22626516091. The next prime is 22626516151. The reversal of 22626516125 is 52161562622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3501562276 + 19124953849 = 59174^2 + 138293^2 .

It is not a de Polignac number, because 22626516125 - 2⁸ = 22626515869 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90505940 + ... + 90506189.

It is an arithmetic number, because the mean of its divisors is an integer number (3529736535).

Almost surely, 2^22626516125 is an apocalyptic number.

22626516125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22626516125 is a deficient number, since it is larger than the sum of its proper divisors (5611376155).

22626516125 is an equidigital number, since it uses as much as digits as its factorization.

22626516125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181012144 (or 181012134 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The spelling of 22626516125 in words is "twenty-two billion, six hundred twenty-six million, five hundred sixteen thousand, one hundred twenty-five".