22525245685 has 8 divisors (see below), whose sum is σ = 27033748056. Its totient is φ = 18017894400.

The previous prime is 22525245683. The next prime is 22525245713. The reversal of 22525245685 is 58654252522.

It can be written as a sum of positive squares in 4 ways, for example, as 15588521316 + 6936724369 = 124854^2 + 83287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22525245685 - 2¹ = 22525245683 is a prime.

It is a super-2 number, since 2×22525245685² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525245683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244116 + ... + 323485.

It is an arithmetic number, because the mean of its divisors is an integer number (3379218507).

Almost surely, 2^22525245685 is an apocalyptic number.

It is an amenable number.

22525245685 is a deficient number, since it is larger than the sum of its proper divisors (4508502371).

22525245685 is an equidigital number, since it uses as much as digits as its factorization.

22525245685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575543.

The product of its digits is 1920000, while the sum is 46.

The spelling of 22525245685 in words is "twenty-two billion, five hundred twenty-five million, two hundred forty-five thousand, six hundred eighty-five".