26566225 has 48 divisors (see below), whose sum is σ = 39997440. Its totient is φ = 17121600.

The previous prime is 26566207. The next prime is 26566271. The reversal of 26566225 is 52266562.

It is not a de Polignac number, because 26566225 - 2¹¹ = 26564177 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 (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 320034 + ... + 320116.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^26566225 is an apocalyptic number.

26566225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26566225 is a deficient number, since it is larger than the sum of its proper divisors (13431215).

26566225 is a wasteful number, since it uses less digits than its factorization.

26566225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 185 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 26566225 is about 5154.2433974348. The cubic root of 26566225 is about 298.3847447021.

The spelling of 26566225 in words is "twenty-six million, five hundred sixty-six thousand, two hundred twenty-five".