25966225226 has 16 divisors (see below), whose sum is σ = 39005555400. Its totient is φ = 12964389888.

The previous prime is 25966225223. The next prime is 25966225231. The reversal of 25966225226 is 62252266952.

It can be written as a sum of positive squares in 4 ways, for example, as 17187472201 + 8778753025 = 131101^2 + 93695^2 .

It is not an unprimeable number, because it can be changed into a prime (25966225223) by changing a digit.

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, 5181410 + ... + 5186418.

Almost surely, 2^25966225226 is an apocalyptic number.

25966225226 is a deficient number, since it is larger than the sum of its proper divisors (13039330174).

25966225226 is a wasteful number, since it uses less digits than its factorization.

25966225226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233.

The product of its digits is 1555200, while the sum is 47.

The spelling of 25966225226 in words is "twenty-five billion, nine hundred sixty-six million, two hundred twenty-five thousand, two hundred twenty-six".