22806436325 has 12 divisors (see below), whose sum is σ = 28403481540. Its totient is φ = 18165471360.

The previous prime is 22806436321. The next prime is 22806436379. The reversal of 22806436325 is 52363460822.

It is a Cunningham number, because it is equal to 151018²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 22806436324 = 1^2 + 151018^2 .

It is not a de Polignac number, because 22806436325 - 2² = 22806436321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22806436321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1986104 + ... + 1997553.

It is an arithmetic number, because the mean of its divisors is an integer number (2366956795).

Almost surely, 2^22806436325 is an apocalyptic number.

22806436325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22806436325 is a deficient number, since it is larger than the sum of its proper divisors (5597045215).

22806436325 is a wasteful number, since it uses less digits than its factorization.

22806436325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983896 (or 3983891 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 22806436325 in words is "twenty-two billion, eight hundred six million, four hundred thirty-six thousand, three hundred twenty-five".