25922320 has 40 divisors (see below), whose sum is σ = 60650136. Its totient is φ = 10303488.

The previous prime is 25922287. The next prime is 25922359. The reversal of 25922320 is 2322952.

It can be written as a sum of positive squares in 4 ways, for example, as 1597696 + 24324624 = 1264^2 + 4932^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12904 + ... + 14776.

Almost surely, 2^25922320 is an apocalyptic number.

25922320 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 25922320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30325068).

25922320 is an abundant number, since it is smaller than the sum of its proper divisors (34727816).

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

25922320 is a wasteful number, since it uses less digits than its factorization.

25922320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 25922320 is about 5091.3966649634. The cubic root of 25922320 is about 295.9542783044.

The spelling of 25922320 in words is "twenty-five million, nine hundred twenty-two thousand, three hundred twenty".