225726735882026 has 48 divisors (see below), whose sum is σ = 369140087505816. Its totient is φ = 103459380670464.

The previous prime is 225726735882001. The next prime is 225726735882101. The reversal of 225726735882026 is 620288537627522.

It is a Cunningham number, because it is equal to 15024205²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 162725766472801 + 63000969409225 = 12756401^2 + 7937315^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 22695491 + ... + 31089206.

Almost surely, 2^{225726735882026} is an apocalyptic number.

225726735882026 is a deficient number, since it is larger than the sum of its proper divisors (143413351623790).

225726735882026 is a wasteful number, since it uses less digits than its factorization.

225726735882026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53784923 (or 53784906 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 65.

The spelling of 225726735882026 in words is "two hundred twenty-five trillion, seven hundred twenty-six billion, seven hundred thirty-five million, eight hundred eighty-two thousand, twenty-six".