25522048 has 32 divisors (see below), whose sum is σ = 52038360. Its totient is φ = 12461568.

The previous prime is 25522039. The next prime is 25522069. The reversal of 25522048 is 84022552.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×25522048² = 1302749868228608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3186 + ... + 7822.

Almost surely, 2^25522048 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 25522048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26019180).

25522048 is an abundant number, since it is smaller than the sum of its proper divisors (26516312).

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

25522048 is an equidigital number, since it uses as much as digits as its factorization.

25522048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694 (or 4682 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 25522048 is about 5051.9350748005. The cubic root of 25522048 is about 294.4230723883.

The spelling of 25522048 in words is "twenty-five million, five hundred twenty-two thousand, forty-eight".