25922880 has 84 divisors (see below), whose sum is σ = 89173812. Its totient is φ = 6912000.

The previous prime is 25922873. The next prime is 25922887. The reversal of 25922880 is 8822952.

It is an interprime number because it is at equal distance from previous prime (25922873) and next prime (25922887).

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 19079424 = 2616^2 + 4368^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25922887) 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, 1621 + ... + 7380.

It is an arithmetic number, because the mean of its divisors is an integer number (1061593).

Almost surely, 2^25922880 is an apocalyptic number.

25922880 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 25922880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44586906).

25922880 is an abundant number, since it is smaller than the sum of its proper divisors (63250932).

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

25922880 is a wasteful number, since it uses less digits than its factorization.

25922880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 25922880 is about 5091.4516593993. The cubic root of 25922880 is about 295.9564094563.

The spelling of 25922880 in words is "twenty-five million, nine hundred twenty-two thousand, eight hundred eighty".