25748226 has 96 divisors (see below), whose sum is σ = 68618880. Its totient is φ = 7130592.

The previous prime is 25748209. The next prime is 25748231. The reversal of 25748226 is 62284752.

25748226 is a `hidden beast` number, since 2 + 574 + 82 + 2 + 6 = 666.

It is a super-2 number, since 2×25748226² = 1325942284294152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97771 + ... + 98033.

It is an arithmetic number, because the mean of its divisors is an integer number (714780).

Almost surely, 2^25748226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25748226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34309440).

25748226 is an abundant number, since it is smaller than the sum of its proper divisors (42870654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25748226 is a wasteful number, since it uses less digits than its factorization.

25748226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 312 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25748226 is about 5074.2709821215. The cubic root of 25748226 is about 295.2902477060.

The spelling of 25748226 in words is "twenty-five million, seven hundred forty-eight thousand, two hundred twenty-six".