25522880 has 56 divisors (see below), whose sum is σ = 62106048. Its totient is φ = 9986048.

The previous prime is 25522879. The next prime is 25522883. The reversal of 25522880 is 8822552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (25522883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14192 + ... + 15888.

Almost surely, 2^25522880 is an apocalyptic number.

25522880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25522880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31053024).

25522880 is an abundant number, since it is smaller than the sum of its proper divisors (36583168).

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

25522880 is a wasteful number, since it uses less digits than its factorization.

25522880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25522880 is about 5052.0174188140. The cubic root of 25522880 is about 294.4262716788.

The spelling of 25522880 in words is "twenty-five million, five hundred twenty-two thousand, eight hundred eighty".