25227648 has 96 divisors (see below), whose sum is σ = 73990800. Its totient is φ = 8248320.

The previous prime is 25227641. The next prime is 25227659. The reversal of 25227648 is 84672252.

25227648 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 7 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×25227648² = 1272868447223808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25227641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70093 + ... + 70451.

Almost surely, 2^25227648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25227648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36995400).

25227648 is an abundant number, since it is smaller than the sum of its proper divisors (48763152).

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

25227648 is a wasteful number, since it uses less digits than its factorization.

25227648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 425 counting only the distinct ones).

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

The square root of 25227648 is about 5022.7132110046. The cubic root of 25227648 is about 293.2866224978.

The spelling of 25227648 in words is "twenty-five million, two hundred twenty-seven thousand, six hundred forty-eight".